174 E. A. MINCHIN. 
membrane directed backwards, their movement in the latter 
case being similar to that of a T'rypanoplasma. | 
The accompanying diagram (Text-fig. A) is intended to 
Trxt-Fic. A. 
FREE FLAGELLUM 
uw 
Zs 
5) 
a3 «: 
os! 
eat 
Ko : 
zO% 
3%2; 
See | 
=<) TROPHONUCLEUS (N) 
2 2 3 CENTROSOME 
See 
>: 
sid tog oe ee BLEPHAROPLAST 
@ 
THE FLAGELLUM KING TONU EEE C a) 
make clear the terms and the use which I shall make of 
them in this memoir.! 
IT. OpserRvATIONS ON T'RYPANOSOMA GAMBIENSE. 
(A) es eambiense in the Blood of the Vertebrate 
Host. | 
My observations relate chiefly to T. gambiense in the 
blood of monkeys, all of which had been infected, directly or 
indirectly, by inoculation with cerebro-spinal fluid from 
sleeping sickness patients, with the exception of one, which 
became infected by the bites of tsetse-flies canght in the 
1 See also Appendix (p. 252). 
