TRYPANOSOMES IN TSETSE-FLIES AND OTHER DIPTERA, 159 
Investigations on the Development of Trypano- 
IT. 
somes in Tsetse-Flies and other Diptera. 
By 
E. A. Minchin, 
Professor of Protozoology in the University of Londor. 
With Plates S—13 and two Text-figures. 
ConTENTS. 
. Introductory. 
Personal Narrative . 
Methods of Investigation . 
Parasites of Glossina palpalis . ; 
Nomenclature of the Structural Parts of Trypanosomes 
Observations on Trypanosoma gambiense. 
(a) T. gambiense in the Blood of the Vertebrate Host . 
(6) The Development of I’. gambiense in Glossina 
palpalis and other Diptera 
. Observations on Trypanosoma grayi 
. Remarks on the Life-Cycle and Mode of TPanamiecion of 
Trypanosomes 
. Record of Observations 
List of References cited 
Appendix 
Description of the Plates 
I. Inrropuctory. 
In this memoir I propose to give a full account of the 
work done and the results obtained by me during my stay in 
Entebbe, Uganda, as a member of the Sleeping Sickness 
Commission from the beginning of April to the beginning of 
-VOL. 52, PART 2,.—NEW SERIES, 13 
