MICROSPORIDIA 477 



P. Simula (Lutz et Splendore). In larvae of Simulium spp.; 

 spores 4.5-8^1 by 3.5m. 



P. longifilis Schuberg (Figs. 218, e; 221, o, p). In testis of Bar- 

 bus fluviatilis; spores 3m by 2m up to 12m by 6m; extruded polar 

 filaments up to 510m long. 



Genus Pyrotheca Hesse. Schizogony and sporogony unknown; 

 spores elongate pyriform, anterior end attenuated, posterior end 

 rounded, slightly curved; sporoplasm in posterior region, with 

 1-2 nuclei; polar capsule large. One species. 



P. incurvata H. (Fig. 222, a, h). In fat-bodies and haemocoele of 

 Megacyclops viridis; spores 14m by 3m; polar filament 130m long. 



Family 2 Coccosporidae Kudo 



Genus Coccospora Kudo {Cocconema Leger et Hesse). Spore 

 spherical or subspherical. Several species. 



C. slavinae (L. et H) (Fig. 222, c, d). In gut-epithelium of Sla- 

 vina appendiculata ; spores about 3m in diameter. 



Family 3 Mrazekiidae Leger et Hesse 



Genus Mrazekia L. et H. Spore straight, tubular; long or short 

 process at one extremity. 



M. caudata L. et H. (Fig. 222, e, /). In lymphocytes of Limno- 

 drilus and Tubifex; spores 16-18m by 1.3-1. 4m. 



Genus Bacillidium Janda. Spore cylindrical, without any proc- 

 ess; one end narrowed in a few species. 8 species. 



B. limnodrili JiTovec (Fig. 222, g). In lymphocytes within gon- 

 ads of Limnodrilus claparedeanus in Bohemia; spores 22-24m by 



1.5m. 



Genus Cougourdella Hesse. Spore cylindrical, with an enlarged 

 extremity, resembling fruit of Lagenaria cougourda. 3 species. 



C. magna H. (Fig. 222, h, i). In haemocoele and fat body of 

 Megacyclops viridis; spores 18m by 3m; polar filament 110m long; 

 sporoplasm with 1-2 nuclei or 2 uninucleate sporoplasms. 



Genus Octosporea Flu. Spore cylindrical; more or less curved; 

 ends similar. 2 species. 



0. muscae-domesticae F. (Fig. 222, j). In gut and germ cells of 

 Musca and Drosophila; spores 5-8m long. 



Genus Spiroglugea Leger et Hesse. Spore tubular and spirally 

 curved; polar capsule large. One species. 



S. octospora L. et H. (Fig. 222, k, I). In fat body of larvae of 

 Ceratopogon sp. ; spores 8-8. 5m by 1m. 



