MORPHOLOGY AXL) TAXONOMY OF THE SPOROZOA 56] 



2. Epimerite a mere knob; sporocysts with 



definite suture Family 1. Stenophoridae 



Leger and Dub. 

 Epimerite variable; sporocysts without 

 suture 3 



3. Satellites without septum Family 3. Didymophyidae Leger 



Satellites with septum Family 2. Gregakinidae Labbe 



4. Sporocysts without bristles or spines 5 



Sporocysts with bristles at ends or equator 



or both Family 8. Auanthosporidae Leger 



5. Sporocysts brown or black; in chains 



Family 7. Stylocephalidae Ellis 

 Sporocysts colorless 6 



6. Sporocysts crescentic, smooth; epimerite 



on long protrusible neck Family 6. Menosporidae Leger 



Sporocysts elongate, biconical, cylindrical 

 or ellipsoidal 7 



7. Epimerite asymmetrical, with linger form 



processes Family 4. Dactylophoridae Leger 



Epimerite symmetrical Family 5. Actinocephalidae Leger 



Family 1. Stenophoridae Leger and Duboscq 1904. 



Epimerite rudimentary Genus Stenophora Labbe 



Epimerite a button on short conical neck 



Genus Otocephalus Soli. 

 Epimerite a button on small spherical pro- 



tomerite Genus Grenoblia Hasselmann 



Family 2. Gregarinidae Labbe 1899. 



1. Gametocysts with sporoducts 2 



Gametocysts without sporoducts 4 



2. Solitary individuals; epimerite a globular 



knob 



1. Epimerite on short neck Genus Leidyana Watson 



2. Epimerite on long neck Genus Gryllotalpia Hasselmann 



Individuals associated 3 



3. Protomerite present in young stages only 



Genus Gamocystis Leger 

 Protomerite in all stages; posterior half 



yellow-green Genus Gregarina Dufour 



4. Individuals solitary 5 



Individuals associated 6 



5. Protomerite temporary; body spherical, 



gray Genus Sphaerocystis Leger 



Protomerite in all stages; posterior half 



yellow-green Genus Cnemidospora Schneider 



(i. Individuals associated in pairs 7 



Individuals associated in groups of 2 and 

 more 10 



7. Endoplasm orange-yellow in color. .Genus Hyalospora Schneider 

 Endoplasm not colored 8 



8. Sporocysts prismatic Genus Euspora Schneider 



Sporocysts spherical or ovoidal 9 



9. Sporocysts ovoid, with dark equatorial line 



Genus Frenzelina Leg. and Dub. 



Sporocysts spherical Genus Tettigonospora Smith 



36 



