﻿SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 59, NO. 8, PL. 



"X 



d<rs&. .;.■/ ' ■" 



y&r.tral s.spe-cl 



1. TICKS THAT CARRY AND INOCULATE SPIRAL MICROORGANISMS 

 OF AFRICAN TICK FEVER 



2. A TSETSE FLY THAT CARRIES AND INOCULATES THE 

 TRYPANOSOME OF SLEEPING SICKNESS 



