Parthenogenesis and Asexual Multiplication Among Parasitic Platyhelminths

Parasitology

Volumn 86, Issue 4, 1983, Pages 121-160

  Whitfield, P J ^a   Evans, N A ^a  

^a KING'S COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL CELL; CESTODE; EDITORIAL; FEMALE GENITAL SYSTEM; MALE GENITAL SYSTEM; NONHUMAN; PARTHENOGENESIS; TREMATODE;

ANIMAL; CESTODA; ECHINOCOCCUS; FEMALE; HERMAPHRODITISM; MALE; MEIOSIS; MOLLUSCA; OOGENESIS; OVUM; PARTHENOGENESIS; REPRODUCTION, ASEXUAL; SPECIES SPECIFICITY; TAENIA; TREMATODA;

EID: 0020608631     PISSN: 00311820     EISSN: 14698161     Source Type: Journal    
DOI: 10.1017/S0031182000050873     Document Type: Article

References (157)

1. ALI-KHAN, Z. & SIBOO, R. (1980).Pathogenesis and host response in subcutaneous alveolar hydatidosis. I. Histogenesis of alveolar cyst and a qualitative analysis of the inflammatory infiltrates. Zeitschrift für Parasitenkunde 62, 241-54.
2. ANDERSON, R. M., WHITFIELD, P. J. & MILLS, C. A. (1977). An experimental study of the population dynamics of an ectoparasitic digenean Transversotrema patialense. Journal of Animal Ecology 46, 555—580.
3. ARMSTRONG, J. C. (1965). Mating behaviour and development of schistosomes in the mouse. Journal of Parasitology 51, 605—616.
4. BEAVER, P. C. (1937). Experiments on regeneration in the trematode Echinostoma revolutum. Journal of Parasitology 23, 423-4.
5. BEDNARZ, S. (1962). The developmental cycle of germ cells in Fasciola hepatica L. 1758 (Trematodes, Digenea). Zoologica Poloniae 12, 439-66.
6. BELL, G. (1982). The Masterpiece of Nature: the Evolution and Genetics of Sexuality. London and Canberra: Croom Helm.
7. BENNETT, H. J. (1936). The life history of Cotylophoron cotylophorum, a trematode of ruminants. Illinois Biological Monographs 14, 1-119.
8. BENTLEY, A. G. M. (1973). Studies on the development and regenerative capabilities of the tegument of parasitic piatyhelminths. Ph.D. dissertation, Tulane University.
9. BILQEES, F. M. (1968). Observations on budding gradient in Taenia crassiceps (Zeder, 1800) Rud. 1810. Bivista di Parassitologia 29, 261-4.
10. BILQEES, F. M. (1970). Histological study of external budding in Taenia crassiceps. Atistralian Journal of Zoology 18, 1—7.
11. BOLLA, R. I. & ROBERTS, L. S. (1971). Developmental physiology of cestodes. IX. Cytological characteristics of the germinative region of Hymenolepis diminuta. Journal of Parasitology 57, 267-77.
12. BORAY, J. C. (1969). Experimental fascioliasis in Australia. Advances in Parasitology 7, 95-210.
13. BORTOLETTI, G. & FERRETTI, G. (1971). Observations on the ultrastructure of the tegument in the larval forms of Hydatigera (= Taenia) taeniaeformis and considerations on the development, of the cyclophyllidean cestode larvae. Rivista di Parassitologia 32, 249-71.
14. BORTOLETTI, G. & FERRETTI, G. (1973). Investigation on the larval forms of Echinococcus granulosus with electron microscope. Rivista di Parassitologia 34, 89-110.
15. BORTOLETTI, G. & FERRETTI, G. (1978). Ultrastructural aspects of fertile and sterile cysts of Echinococcus granulosus developed in hosts of different species. International Journal for Parasitology 8, 421-32.
16. BRONSTED, H. V. (1955). Planarian regeneration. Biological Reviews 30, 65-126.
17. BROOKS, F. G. (1930). Studies on the germ cycles of trematodes. American Journal of Hygiene 12, 299-340.
18. BROWN, D. S. (1980). Freshwater Snails of Africa and their Medical Importance. London: Taylor and Francis.
19. BRUMPT, E. (1936). Précis de Parasitologie, 5th Ed., pp. 1-1082. Paris: Masson and Cie.
20. CABLE, R. M. (1934). Studies on the germinal cycle of Cryptocotyle lingua. II. Germinal development in the larval stages. Quarterly Journal of Microscopical Science 76, 573-614.
21. CABLE, R. M. (1974). Phylogeny and taxonomy of trematodes with reference to marine species. In Symbiosis in the Sea, (ed. W. B. Vernberg), pp. 173-93. Columbia: University of South Carolina Press.
22. CABLE, R. M. (1982). Phylogeny and taxonomy of malacobothrean flukes. In Parasites - Their World and Ours (ed. D. F. Mettrick and S. S. Desser), pp. 194-7. Elsevier Biomedical Press.
23. CAMPBELL, R. A. (1973). Studies on the biology of the life cycle of Cotylurus flabelliformis (Trematoda: Strigeidae). Transactions of the American Microscopical Society 92, 629-40.
24. CANNON, L. R. G. (1971). The life cycle of Bunodera sacculata and B. luciopercae in Algonquin Park, Ontario. Canadian Journal of Zoology 49, 1417-29.
25. CARY, L. R. (1909). The life history of Diplodiscus temperatus Stafford, with special reference to the development of the parthenogenetic eggs. Zoologische Jahrbucher 28, 595-659.
26. CLARK, W. C. (1974). Interpretation of life history pattern in the Digenea. International Journal for Parasitology 4, 115-23.
27. COHEN, J. (1977). Reproduction. London: Butterworths.
28. CORT, W. W., AMEEL, D. J. & VAN DER WOUDE, A. (1954). Germinal development in the sporocysts and rediae of the digenetic trematodes. Experimental Parasitology 3, 185-225.
29. CRAIG, L. H. (1975). Himasthla quissetensis and Lepocreadium setiferoides: Emergence patterns from their molluscan host, Nassarius obsoletus. Experimental Parasitology 38, 56-63.
30. DE RYCKE, P. H. & PENNOIT-DE COOMAN, E. (1978). Serial passages of larval Echinococcus granulosus from equine origin in mice. I. Infection with protoscolices. Zeitschrift fur Parasitenkunde 155, 229-34.
31. DINNIK, J. A. & DINNIK, N. N. (1964). The influence of temperature on the succession of redial and cercarial generations of Fasciola gigantica in a snail host. Parasitology 54, 59-65.
32. DOLLFUS, R.-P. (1964). Sur le cycle evolutif d’un cestode Diphyllide. Annales de Parasitologic humaine et compares 39, 235-41.
33. DÖNGES, J. (1971). The potential number of redial generations in echinostomatids (Trematoda). International Journal for Parasitology 1, 51-59.
34. DRONEN, N. O. (1978). Host-parasite population dynamics of Haematoloechus coloradensis. Cort, 1915 (Digenea: Plagiorchiidae). The American Midland Naturalist 99, 330-49.
35. ECKERT, J., VON BRAND, T. & VOGE, M. (1969). Asexual multiplication of Mesocestoides corti (Cestoda) in the intestine of dogs and skunks. Journal of Parasitology 55, 241-9.
36. EDSON, K. M., VINSON, S. B., STOLTZ, D. B. & SUMMERS, M. D. (1981). Virus in a parasitoid wasp: suppression of the cellular immune response in the parasitoid’s host. Science 211, 582-3.
37. EDWARDS, S. & MUELLER, J. (1978). On the apparent absence of C-virus-like particles in the Caryophyllaeidae. Journal of Parasitology 64, 877.
38. ESPIN, P. (1982). Transversotrema patialense: the role of cross-insemination in successful reproduction. Parasitology 85, v.
39. FISCHER, H. & FREEMAN, R. S. (1969). Penetration of parenteral plerocercoids of Proteocephalus ambloplitis (Leidy) into the gut of small mouth bass. Journal of Parasitology 55, 766-74.
40. FREEMAN, R. S. (1956). Life history studies on Taenia mustelae Gmelin, 1790 and the taxonomy of certain taenioid cestodes from mustelidae. Canadian Journal of Zoology 34, 219-42.
41. FREEMAN, R. S. (1962). Studies on the biology of Taenia crassiceps (Zeder, 1800). Rudolphi, 1810 (Cestoda). Canadian Journal of Zoology 40, 969-90.
42. FREEMAN, R. S. (1970). Terminology of cestode development. Journal of Parasitology 56, 106-7.
43. FREEMAN, R. S. (1973). Ontogeny of cestodes and its bearing on their phylogeny and systematica. Advances in Parasitology 11, 481-557.
44. FRIED, B. & PENNER, L. R. (1964). Healing of wounds following partial or complete amputation of body parts in a trematode, Philophthalmus hegeneri. Journal of Parasitology 50, 266.
45. FUJINO, T. & ISHII, Y. (1982). Ultrastructural studies on spermatogenesis in a parthenogenetic type of Paragonimus westermani (Kerbert 1878) proposed as P. pulmonalis (Baelz 1880). Journal of Parasitology 68, 433-441.
46. GERRITSEN, J. (1980). Sex and parthenogenesis in sparse populations. The American Naturalist 115, 718-42.
47. GILMAN, R. H., MONDAL, G., MAKSUD, M., ALAM, E., RUTHERFORD, E., GILMAN, J. B. & KHAN, M. U. (1982). Endemic focus of Fasciolopsis buski infection in Bangladesh. American Journal of Tropical Medicine and Hygiene 31, 796-802.
48. GINETSINSKAYA, T. A. (1965). The nature of trematode life cycles (In Russian, English summary). Vestnik Leningradskogo gosudarstrennogo Universiteta Ser. Biol. 20, 5-13.
49. GIOVANNOLA, A. (1936). Inversion in the periodicity of emission of cercariae from their snail hosts by reversal of light and darkness. Journal of Parasitology 22, 292-5.
50. GREY, A. J. & MACKIEWICZ, J. S. (1980). Chromosomes of caryophyllidean cestodes: diploidy, triploidy and parthenogenesis in Glaridacris catostomi. International Journal for Parasitology 10, 397—407.
51. GUILFORD, H. G. (1958). Observations on the development of the miracidium and the germ cell cycle in Heronimus chelydrae MacCallum (Trematoda). Journal of Parasitology 44, 64-74.
52. GUSTAFSSON, M. K. S. (1977). Aspects of the cytology and histogenesis in cestodes with special reference to the genus Diphyllobothrium. Ph.D. thesis, Abo Akademi, Abo, Finland.
53. HAIGHT, M., DAVIDSON, D. & PASTERNAK, J. (1977 a). Relationship between nuclear morphology and the phases of the cell cycle during cercarial development of the digenetic trematode Trichobilharzia ocellata. Journal of Parasitology 63, 267-73.
54. HAIGHT, M., DAVIDSON, D. & PASTERNAK, J. (1977 b). Cell cycle analysis in developing cercariae of Trichobilharzia ocellata (Trematoda: Schistosomatidae). Journal of Parasitology 63, 274-81.
55. HARRIS, K. R. & CHENG, T. C. (1972). Presumptive neurosecretion in Leucochloridiomorpha constantiae (Trematoda) and its possible role in governing maturation. International Journal for Parasitology 2, 361-7.
56. HART, J. L. (1968). Regeneration of tetrathyridia of Mesocestoides (Cestoda: Cyclophyllidea) in vivo and in vitro. Journal of Parasitology 54, 950-6.
57. HASWELL, W. A. & HILL, J. P. (1893). On Polycercus: a proliferating cystic parasite of the earthworm. Proceedings of the Linnean Society of New South Wales 8, 365-76.
58. HEYNEMAN, D. (1960). On the origin of complex life-cycles in the digenetic flukes, pp. 133-152. In Libro Homenaje al Dr. Eduardo Caballero y Caballero. Mexico: Secretaria de Educacion publica.
59. HODASI, J. K. M. (1972). The output of cercariae of Fasciola hepatica by Lymnaea truncatula and the distribution of metacercariae on grass. Parasitology 64, 53-60.
60. INSLER, G. D. & ROBERTS, L. S. (1980 a). Developmental physiology of cestodes. XV. A system for testing possible crowding factors in vitro. Journal of Experimental Zoology 211, 45-54.
61. INSLER, G. D. & ROBERTS, L. S. (1980 b). Developmental physiology of cestodes. XVI. Effects of certain excretory products on incorporation of 3H-thymidine into DNA of Hymenolepis diminuta. Journal of Experimental Zoology 211, 55-61.
62. JAMES, B. L. & BOWERS, E. A. (1967). Reproduction in the daughter sporocyst of Cercaria bucephalopsis haimeana (Lacaze-Duthiers, 1854), (Bucephalidae) and Cercaria dichotoma, Lebour, 1911 (non Muller) (Gymnophallidae). Parasitology 57, 607-25.
63. JAMES, B. L., SANNIA, A. & BOWERS, E. A. (1976). Parasites of birds and shellfish. In Bury Inlet Symposium. Swansea: University College of Swansea.
64. JENNINGS, J. B. (1971). Parasitism and commensalism in the Turbellaria. Advances in Parasitology 91, 1-32.
65. JONES, M. F. & ALICATA, J. E. (1935). Development and morphology of the cestode, Hymenolepis cantaniana, in coleopteran and avian hosts. Journal of the Washington Academy of Science 25, 237—247.
66. JORDAN, P. & WEBBE, G. (1969). Human Schistosomiasis. London: Heineman.
67. JOURDANE, J. & THERON, A. (1980). Schistosoma mansoni: Cloning by microsurgical transplantation of sporocysts. Experimental Parasitology 50, 349-57.
68. JOURDANE, J., THERON, A. & COMBES, C. (1980). Demonstration of several sporocysts generations as a normal pattern of reproduction of Schistosoma mansoni. Acta Tropica 37, 177-82.
69. JOYEUX, C. H. & BAER, J. G. (1936). Cestodes. In Faune de France, vol. 30. Paris: Paul Lechevalier et fils.
70. KENDALL, S. B. (1965). Relationships between species of Fasciola and their molluscan hosts. Advances in Parasitology 3, 59-98.
71. KHALIL, G. M. & CABLE, R. M. (1968). Germinal development in Philophthalmus megalurus (Cort, 1911) (Trematoda: Digenea). Zeitschrift für Parasitenkunde 31, 211-31.
72. KISIELEWSKA, K. (1960). The life cycle of the tapeworm Pseudodiorchis prolifer (Villot, 1890) comb nova (Pseudodiorchis multispinosa, Zamowski, 1955). Acta parasitologica polonica 8, 197-204.
73. KUMAZAWA, H. & SUZUKI, N. (1983). Kinetics of proglottid formation, maturation and shedding during development of Hymenolepis nana. Parasitology 86, 275-89.
74. KUNZ, R. E., MYERS, B. J. & KATZBERG, A. A. (1970). Sparganosis and ‘proliferative’ spargana in vervets (Cercopithecus aethiops) and baboons (Papio sp.) from East Africa. Journal of Parasitology 56, 196-7.
75. LASCANO, E. F., COLTORTI, E. A. & VARELA-DIAZ, V. M. (1975). Fine structure of the germinal membrane of Echinococcus granulosus cysts. Journal of Parasitology 61, 853-60.
76. LENDER, T. (1974). The role of neurosecretion in freshwater planarians. In Biology of the Turbellaria (ed. N. W. Rizer and M. P. Morse), pp. 460-75. New York: McGraw-Hill.
77. LEUCKART, R. (1886). The Parasites of Man. Translated by W. E. Hoyle. 771 pp. Edinburgh: Y. J. Pentland.
78. LLEWELLYN, J. (1965). The evolution of parasitic platyhelminths. Symposium of the British Society for Parasitology 3, 47-78.
79. LOEHR, K. A. & MEAD, R. W. (1980). Changes in embryonic cell frequencies in the germinative and immature regions of Hymenolepis citelli during development. Journal of Parasitology 66, 792-6.
80. MACKIEWICZ, J. S. (1981). Caryophy 11 idea (Cestoidea): Evolution and classification. Advances in Parasitology 19, 139-206.
81. MANNING, G. S. & RATANARAT, C. (1970). Fasciolopsis buski (Lankester, 1857) in Thailand. American Journal of Tropical Medicine and Hygiene 19, 613-19.
82. MCCLELLAND, G. & BOURNS, T. K. R. (1969). Effects of Trichobilharzia ocellata on growth, reproduction and survival of Lymnaea stagnalis. Experimental Parasitology 24, 137-46.
83. MEAD, R. W. (1982). Changes in germinative cell frequencies in the germinative region of Hymenolepis diminuta during development. Journal of Parasitology 68, 95-99.
84. MEYERHOF, E. & ROTHSCHILD, M. (1940). A prolific trematode. Nature, London 146, 367-8.
85. MIYAZAKI, I. (1978). Two types of the lung fluke which has been called Paragonimus westermani (Herbert, 1878). Medical Bulletin of Fukuoka University 5, 251-63.
86. MOORE, J. (1981). Asexual reproduction and environmental predictability in cestodes (Cyclophyllidea: Taeniidae). Evolution 35, 723-41.
87. MORSETH, D. J. (1967). Fine structure of the hydatid cyst and protoscolex of Echinococcus granulosus. Journal of Parasitology 53, 312-25.
88. MUELLER, J. F., HART, E. P. & WALSH, W. P. (1963). Human sparganosis in the United States. Journal of Parasitology 49, 294-6.
89. MUELLER, J. F. & STRANO, A. J. (1974 a). Sparganum proliferum, a sparganum infected with a virus? Journal of Parasitology 60, 15-19.
90. MUELLER, J. F. & STRANO, A. J. (1974 b). The ubiquity of type-C viruses in spargana of Spirometra spp. Journal of Parasitology 60, 398.
91. MULLER, R. (1975). Worms and Disease. A Manual of Medical Helminthology. London: Heineman.
92. NOLLEN, P. M. (1983). Patterns of sexual reproduction among parasitic platyhelminths. Symposia of the British Society for Parasitology 20, 99-120.
93. NOVAK, M. (1972). Quantitative studies on the growth and multiplication of tetrathyridia of Mesocestoides corti Hoeppli, 1925 (Cestoda: Cyclophyllidea) in rodents. Canadian Journal of Zoology 50, 1189-96.
94. NOVAK, M. (1974). Acceleration of the growth of tetrathyridial populations of Mesocestoides corti (Cestoda: Cyclophyllidea) by splenectomy. International Journal for Parasitology 4, 165-8.
95. NOVAK, M. (1975 a). Gonadectomy, sex hormones and the growth of populations of Mesocestoides tetrathyridia in mice. International Journal for Parasitology 5, 269-74.
96. NOVAK, M. (1975 b). Cortisone and the growth of populations of Mesocestoides tetrathyridia in mice. International Journal for Parasitology 5, 517-20.
97. NOVAK, M. (1979). Environmental temperature and the growth of Mesocestoides corti populations in mice. International Journal for Parasitology 9, 429-33.
98. OGREN, R. E. (1968). The basic cellular pattern for undifferentiated oncospheres of Hymenolepis diminuta. Transactions of the American Microscopical Society 87, 448-63.
99. OPUNI, E. K. (1970). Asexual multiplication in Cysticercus pisiformis. Journal of Helminthology 44, 321-2.
100. PARSHAD, V. R. & CROMPTON, D. W. T. (1981). Aspects of acanthocephalan reproduction. Advances in Parasitology 19, 73-138.
101. PATTERSON, J. T. (1927). Polyembryony in animals. Quarterly Reviews in Biology 2, 399-462.
102. PEARSON, J. C. (1972). A phylogeny of life cycle patterns of the Digenea. Advances in Parasitology 10, 153-89.
103. PENNOIT-DE COOMAN, E. & DE RYCKE, P. H. (1970). Experimental secondary echinococcosis of Echinococcus granulosus. I. Development in different strains of mice. Zeitschrift für Parasitenkunde 34, 362-70.
104. PIEPER, M. B. (1953). The life history and germ cell cycle of Spirorchis artericola (Ward, 1921). Journal of Parasitology 39, 310-25.
105. PREMVATI (1955). Cercaria multiplicata n.sp. from the snail Melanoides tvberculatus (Muller). Journal of the Zoological Society of India 7, 13-23.
106. PRICE, P. W. (1977). General concepts on the evolutionary biology of parasites. Evolution 31, 405-20.
107. PRICE, P. W. (1980). Evolutionary Biology of Parasites. Princeton: Princeton University Press.
108. REES, G. (1940). Studies on the germ cell cycle of the digene tic trematode, Parorchis acanthus Nicoll. Part II. Structure of the miracidium and germinal development in the larval stages. Parasitology 31, 417—433.
109. REES, G. (1969). Cestodes from Bermuda fishes and an account of Acompsocephalum tortum (Linton, 1905) gen. nov. from the lizard fish Synodus intermedius (Agassiz). Parasitology 59, 519-48.
110. ROBERTS, L. S. (1980). Development of Hymenolepis diminuta in its definitive host. In Biology of the Rat Tapeworm, Hymenolepis diminuta (ed. H. P. Arai), pp. 357-423. New York: Academic Press.
111. ROBERTS, L. S. & INSLER, G. D. (1982). Developmental physiology of cestodes. XVII. Some biological properties of putative ‘crowding factors’ in Hymenolepis diminuta. Journal of Parasitology 68, 263-9.
112. ROSSBACH, E. (1906). Beiträge zur Anatomie und Entwicklungsgeschichte der Redien. Zeitschrift für Wissenschaftliche Zoologie 84, 361-445.
113. SAKAGUCHI, Y. (1980). Karyotype and gametogenesis of the common liver fluke, Fasciola sp. Japanese Journal of Parasitology 29, 507-13.
114. SAKAGUCHI, Y. & TADA, I. (1980). Karyotypic studies of lung flukes, Paragonimus iloktsuenensis, P. sadoensis and P. westermani. Japanese Journal of Parasitology 29, 251-6.
115. SAKAMOTO, T. & SUGIMURA, M. (1970). Studies on echinococcosis. XXIII. Electron microscopical observations on histogenesis of larval Echinococcus multilocularis. Japanese Journal of Veterinary Research 18, 131—144.
116. SASADA, K. (1978). Studies on the chromosomes of parasitic helminths (II). Triploidy and cytological mechanism of parthenogenesis in Diphyllobothrium erinacei (Cestoda: Diphyllobothriidae). Japanese Journal of Parasitology 27, 547-60.
117. SCHMIDT, J. M. & TODD, K. S. (1978). Life cycle of Mesocestoides corti in the dog (Canis familiaris). American Journal of Veterinary Research 39, 1490-3.
118. SCOTT, J. S. (1965). The development and morphology of Polycercus lumbrici (Cestoda: Cyclophyllidea). parasitophobia 55, 127-43.
119. SENFT, A.W. & WELLER, T. H. (1956). Growth and regeneration of Schistosoma mansoni in vitro. Proceedings of the Society for Experimental Biology 93, 16-19.
120. SHIMAZU, T. (1981). Experimental completion of the life-cycle of the lung fluke, Paragonimus westermani, in the laboratory. Japanese Journal of Parasitology 30, 173-7.
121. SHORT, R. B. (1952 a). Sex studies on Schistosomatium douthitti (Cort 1914), Price, 1931. (Trematoda: Schistosomatidae). American Midland Naturalist 47, 1-54.
122. SHORT, R. B. (1952 b). Uniparental miracidia of Schistosomatium douthitti and their progeny (Trematoda: Schistosomatidae). American Midland Naturalist 48, 55-68.
123. SHORT, R. B. & MENZEL, M. Y. (1959). Chromosomes in parthenogenetic miracidia and embryonic cercariae of Schistosomatium douthitti. Experimental Parasitology 8, 249-64.
124. SIEBERT, A. E., GOOD, A. H. & SIMMONS, J. G. (1978). Kinetics of primary and secondary infections with Taenia crassiceps metacestodes (Zeder, 1800) Rudolphi, 1810 (Cestoda: Cyclophyllidea). International Journal for Parasitology 8, 39-43.
125. SILLMAN, E. I. (1962). The life history of Azygia longa (Leidy 1851) (Trematoda: Digenea) and notes on A. acuminata Goldberger 1911. Transactions of the American Microscopical Society 81, 43-65.
126. SLAIS, J. (1973). Functional morphology of cestode larvae. Advances in Parasitology 11, 395-480.
127. SLUITERS, J. F., BRUSSAARD-WUST & MEULEMAN, E. A. (1980). The relationship between miracidial dose, production of cercariae and reproductive activity of the host in the combination Trichobilharzia ocellata and Lymnaea stagnalis. Zeitschrift für Parasitenkunde 63, 13-26.
128. SMYTH, J. D. (1976). Introduction to Animal Parasitology, 2nd Ed. London: Hodder and Stoughton.
129. SMYTH, J. D., MILLER, H. J. & HOWKINS, A. B. (1967). Further analysis of the factors controlling strobilization, differentiation and maturation of Echinococcus granulosus in vitro. Experimental Parasitology 21, 31-41.
130. SPECHT, D, & VOGE, M. (1965). Asexual multiplication of Mesocestoides tetrathyridia in laboratory animals. Journal of Parasitology 51, 268-72.
131. SPECIAN, R. D. (1981). Hymenolepis diminuta: paraldehyde fuchsin staining of the rostellar glands following destrobilization and reimplantation. Journal of Parasitology 67, 278-9.
132. STUNKARD, H. W. (1967). Platyhelminth parasites of invertebrates. Journal of Parasitology 53, 673-82.
133. SUOMALAINEN, E. (1950), Parthenogenesis in animals. Advances in Genetics 3, 193-253.
134. SUOMALAINEN, E. (1962). Significance of parthenogenesis in the evolution of insects. Annual Review of Entomology 7, 349-66.
135. TAYLOR, M. G., AMIN, M. B. A. & NELSON, G. S. (1969). ‘Parthenogenesis’ in Schistosoma mattheei. Journal of Helminthology 43, 197-206.
136. TENNANT, D. H. (1906). A study on the life history of Bucephalus haimeanus; a parasite of the oyster. Quarterly Journal of microscopical Science 49, 635-93.
137. TERASAKI, K. (1980). Comparative studies on the karyotypes of Paragonimus westermani (s.str.) and P. pulmonalis. Japanese Journal of Parasitology 29, 239-43.
138. THERON, A. & JOURDANE, J. (1979). Sequence de Reconversion des Sporocystes de Schistosoma mansoni. Producteurs de Cercaires, en vue de la Production de Nouvelles Generations de Sporocystes. Zeitschrift für Parasitenkunde 61, 63-71.
139. THOMAS, A. P. (1883). The life history of the liver fluke (Fasciola hepatica). Quaterly Journal of Microscopical Science 23, 99-133.
140. THOMPSON, R. C. A. (1976). The development of broodcapsules and protoscolices in secondary hydatid cysts of Echinococcus granulosus: a histological study. Zeitschrift für Parasitenkunde 51, 31-36.
141. TINSLEY, R. C. (1983). Ovoviparity among parasitic platyhelminths. Symposia of the British Society for Parasitology 20, 161-96.
142. TOMLINSON, J. (1966). The advantages of hermaphroditism and parthenogenesis. Journal of Theoretical Biology 11, 54-58.
143. VOGE, M. (1963). Observations on the habitats of platyhelminths. In The Lower Metazoa, (ed. E. C. Dougherty) pp. 455-72. Berkeley and Los Angeles: University of California Press.
144. VOGEL, H. (1942) Uber die Nachkommenschaft aus Kreuzparungen zwischen Bilharzia mansoni und B. japonica. Zentralblatt für Bakteriologie und Parasitenkunde, Abt. 1. 149, 319-33.
145. WAGENBACH, G. E. & ALLDREDGE, A. L. (1974). Effect of light on the emergence pattern of Plagiorchis micracanthos cercariae from Stagnicola exilis. Journal of Parasitology 60, 782-5.
146. WEBB, R. A. (1977). Evidence for neurosecretory cells in the cestode Hymenolepis microstoma. Canadian Journal of Zoology 55, 1726-33.
147. WEBBE, G. & JAMES, E. (1972). Host-parasite relationships of Bulinus globosus and B. truncatus with strains of Schistosoma haematobium. Journal of Helminthology 46, 185-99.
148. WHITE, M. J. D. (1970). Heterozygosity and genetic polymorphism in parthenogenetic animals. In Essays in Evolution and Genetics in Honor of Theodosius Dobzhansky (ed. M. K. Hecht and W. C. Steere), pp. 237-62. New York: Appleton-Century-Crofts.
149. WIKGREN, B.-J.P. & GUSTAFSSON, M. K. S. (1967). Duration of the cell cycle of germinative cells in plerocercoids of Diphyllobothriumdendriticum. Zeitschrift für Parasitenkunde 29, 275-81.
150. WIKGREN, B.-J.P., KNUTS, G. M. & GUSTAFSSON, M. K. S. (1970). Circadian rhythm of mitotic activity in the adult gull tapeworm Diphyllobothriumdendriticum. Zeitschrift für Parasitenkunde 34, 242-56.
151. WILLIAMS, G. C. (1975). Sex and Evolution. Princeton: Princeton University Press.
152. WILSON, R. A. & DENISON, J. (1980). The parasitic castration and gigantism of Lymnaea truncatula infected with the larval stages of Fasciola hepaiica. Zeitschrift für Parasitenkunde 61, 100-19.
153. WILSON, R. A., SMITH, G. & THOMAS, M. R. (1982). Fascioliasis. In Population Dynamics of Infectious Diseases: Theory and Applications (ed. R. M. Anderson), pp. 262-319. London and New York: Chapman and Hall.
154. WOODHEAD, A. E. (1931). The germ cell cycle in the trematode family Bucephalidae. Transactions of the American Microscopical Society 50, 169-87.
155. WOODHEAD, A. E. (1954). Bisexual reproduction in the mother sporocyst of Paragonimus kellicotti (Trematoda). Transactions of the American Microscopical Society 73, 16-28.
156. WOODHEAD, A. E. (1955). The germ cell cycle in the trematode family Brachylaemidae. Transactions of the American Microscopical society 74, 28-37.
157. YAMAGUTI, S. (1959). Systerna Helminthum, vol. II., The Cestodes of Vertebrates. New York and London: Interscience Publishers Inc.