202 



H. M. WOODCOCK. 



Its average length is about 21 — 23 ju, and its width IJ — 2/u. 

 The majority of Mamrualian Trypanosomes are fairly uniform 



Fig. 16. — Representative Mammalian, Avian, and IJcptilian 

 Trypanosomes, to illustrate the chief morphological characters. 

 The figures (excepting e) arc all drawn to the original magnifica- 

 tion, given where stated. A, Trypanosoma lewisi, after Brad- 

 ford and Plimmer ; b, T. brucii, after Lav. and IMesn., X 2000; 

 c, T. gambiense (blood, T.-fever), after Bruce and Nabarro; D, 

 T. equinum, after L. and M., x 2000; E, Trypanomorpha 

 (Trypanosoma) noc tutu, after Schaudinn; F, T. avium, after 

 L. and M. ; G, Hanna's T. sp. from Indian pigeons; n, T. zic- 

 manni, after Schaudinn; j, T. dam onite, after L. and M., x200(\ 

 cff. = chromatoid grains ; v. = vacuole ; Is. = fold or striation. 



in size (fig. 16 a, b, d), the only noteworthy exception being 

 T. theileri (fig. 49), which is much larger than the rest, 



