310 



PROTOZOOLOGY 



rhesus. Dobell (1934) holds that this is identical with T. vaginalis 

 and T. hominis. 



T. linearis Kirby (Tig. 146, a). Elongate, spindle-form; 9-24)u 

 by 3-8/i ; in gut of Orthognathotermes wheeleri; Panama. 



T. termitis (Cutler) (Fig. 146, b). 30-88m by 13-57^ (Imms); in 

 gut of Archotermopsis wroughtoni; India. 



Fig. 146. a, Trichomonas linearis, X2000 (Kirby); b, T. termitis, X630 

 (Cutler); c, Tritrichomonas brevicollis, X2000 (Kirby); d, e, Tricercomittis 

 termopsidis, X890 (Kirby); f, Pentatrichomonoides scroa, X2000 (Kirby); 

 g, Pseudotrypanosoma giganteum, X580 (Kirby). 



Genus Tritrichomonas Kofoid. Similar to Trichom,onas in ap- 

 pearance and structure; but 3 anterior flagella; parasitic. 



T. brevicollis Kirby (Fig. 146, c). Ovoid; undulating membrane 

 curved around end; 10-17^ by 4-8/i; in gut of Kalotermes brevicollis; 

 Panama. 



T. foetus (Riedmiiller). Pathogenic; in genitalia of cattle; simi- 



