036 



PROTOZOOLOGY 



H. limnodrili Granata (Fig. 272, c). In gut epithelium of Lim- 

 nodrilus udekemianus; spores 10-12m by 8-10/x. 



H. nemertis Debaisieux (Fig. 272, d). In connective tissue of 

 Lineus bilineatus; spores oval with a flat operculum, but without 

 any projections of envelope, 7m by 4m. 



H. heterocirri C. and M. (Fig. 272, e). In gut epithelium of Het- 



Fig. 271. The development of Ichthyosporidium giganteum (Swarczewsky). 

 a-e, schizogony; f-n, sporogony; o, stained spore, X about 1280. 



erocirrus viridis; mature organisms 50-60m by 30-40/x; spores 6.5m 

 by 4m. 



H. scolopli C. and M. (Fig. 272, /). In Scoloplos mulleri; fully 

 grown form 100-150m by 20-30m; spores 10m by 6.5m. 



H. vejdovskii C. and M. (Fig. 272, g). In a freshwater oligochaete, 

 Mesenchytraeus flavus ; spores 10-12m long. 



Genus Urosporidium Caullery and Mesnil. Similar to Haplo- 

 sporidium, but spherical spore with a long projection. 



