171 



STUDIES ON GREGARINES—KAMM 



Table 3. Skomng Relatiimskips Between Genera in the Family Gregariniiae 



17 



1. Amphoroides 



2. Pileocephalus 



Stylocystis 

 Discorhynchus 



5. Steinina 



6. Anthorhynchus 



7. Sciadophora 



Amphorocepha- 

 lus 



Sessile globular papilla 



Short dilated neck, lance-shaped 



cone at apex 



Recurved sharply pointed cone 

 Short neck, large globe with thin 



collar around base 

 A short mobile digitiform process 



changing into a fiat crenulate 



disc 

 Sessile large fluted flattened disc 



A large sessQe peripherally crenu- 

 late disc 



Concave p>eripherally crenulate 

 fluted disc set upon a short di- 

 lated neck 



Curved biconi- 

 cal 

 Biconical 



Biconical 

 Biconical, 

 slightly curved 

 Biconical 



Biconical 

 Biconical 



Extruded in 

 chains, laterally 



Protomerite with 

 numerous back- 

 wardly-directed 

 vertical lamina- 

 tions 



