Sporozoa 281 



Fig. 6. 7. Ccphalina: A. Ancyrophora uncinata (intestine of beetles), 

 may reach length of 2 mm (after Leger). B. Acanthospora repelini, reaches 

 length of 1 mm (after Leger). C. Steinina rotundata (gut of dog-flea), x540 

 (after Ashworth and Rettie). D-G. Development of protomerite and epi- 

 merite in Actinncephahis pannis; x2560 (after Weschenfelder); compare with 

 Fig. 6. 2, A, B. H. Taeniocystis mira, young form (after Leger); compare 

 with Fig. 6. 1, A. I. Amphoroides calverti, xll7 (after Watson). J. Prismato- 

 spora evansi, x65 (after Ellis). K-M. Spores: Actinocephahis parvus (K), 

 x2880 (after Weschenfelder); Steinina rotundata (L), 11-12/* long (after 

 Ashworth and Rettie); Coelorhynchus heros (M), x330 (after Grell). N. C. 

 heros, young trophozoite attached to gut wall; x225 (after Grell). O. 

 Anthorhynchus sophiae, length up to 2 mm (after Schneider). P. Car- 

 cinoecetes hesperus (intestine of crabs), x306 (after Ball). Q. Cephaloido- 

 phora communis (intestine of barnacles), x546 (after Ball). 



