408 



PROTOZOOLOGY 



Fig. 184. a-f, Porospora gigantea (Hatt). a, a cephalin attached to 

 Homarus gut, X1250; b, gymnospore; c, d, developing sporozoites 

 in mollusc; e, sporozoites enveloped by phagocytes; f, a sporozoite, 

 X2250. g-n, Neviatopsis legeri (Hatt). g, h, trophozoites in Eriphia; 

 i, associated trophozoites attached to gut-epithelium, X1250; j, gym- 

 nospore; k, gymnospore after entering molluscan body; 1, a young 

 sporozoite, X2250; m, cyst in mollusc with six spores; n, germination 

 of a spore in Eriphia gut, X1250. 



species of molluscan hosts: Mytilus galloprovincialis, M. minimus, 

 Lasea rubra, Cardita calyculata, Chiton caprearum, Trochocochlea 

 turbinata, T. articulata, T. mutahilis, Phorcus richardi, Gibbula 

 divaricata, G. rarilineata, G. adamsoni, Pisania maculosa, Ceri- 



