44i 
THE 
CYTOLOGY OF THE TRYPANOSOMES 
PART I* 
BY 
J. E. SALVIN-MOORE, A.R.C.S., F.L.S., F.Z.S. 
PROFESSOR OF EXPERIMENTAL AND PATHOLOGICAL CYTOLOGY, UNIVERSIIY 
OF LIVERPOOL 
AND 
ANTON BREINL, M.U.Dr. (Prag.) 
DIRECTOR OF THE RUNCORN RESEARCH LABORATORIES, LIVERPOOL SCHOOL OF 
TROPICAL MEDICINE 
(Received July 15 th , 1907 ) 
CONTENTS 
PAGE 
A. Introductory . 
B. The morphology and the life cycle of Trypanosoma 
gambiense . 
C. The morphology, and the multiplication in the blood of 
Trypanosoma brucei . 
D. The morphology, and the multiplication in the blood of 
Trypanosoma equinum . 
E. Consideration of the foregoing observations . 
Appendix I. 
Appendix II ... 
44 1 
448 
459 
459 
460 
470 
47 1 
(A) INTRODUCTORY 
The trypanosomes belong to a group of organisms of great 
practical importance, since they are related to numeious diseases, 
not only affecting many valuable animals, but, in the case of sleeping 
sickness, man also. Notwithstanding the facts, the natuie an 
* A preliminary account of the observations relating to 7 ■ ^^T^iqoT^Yn a 
in the present paper was published in the Lancet, p.' * j Society, July 20, 
subsequent paper by Plimmer and Thomson received by t Trvnanosomes, or 
■907, these authors appear to have encountered either the ency- - bed But from 
the resistant bodies (latent bodies) which we had previous y • ' it i s 
the vagueness of their reference, Pro. Roy. boc. «• • described by us 
impossible to be certain to which order of structures a > 
they do refer. 
