TRYPANOSOMES OF AMPHIBIA 



591 



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Fig. 239. — Tri/panosoma rotatorium Parasitic in the Frog and the Leech 

 {Hemiclepsis marginata) (x 2,900). (After Noller, 1913.) 

 1-2. Typical forms in the blood of the tadpole. 3. Crithidia forms from stomach of leech. 



4-7. Try]^anosome forms from stomach of leech. 

 8-10. Nuclear divisions of roimded-ofE forms which develop in cover-glass cultures of the large 



striated forms from frog's blood. 

 11. Flat leaf-like form from frog's blood. 



12. Solid striated form from frog's blood. 



