SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 128, NUMBER 6 



A REVISION OF THE CHIGGERS OF 



THE SUBGENUS GAHRLIEPIA 



(ACARINA: TROMBICULIDAE) 



Bv 



ROBERT TRAUB 



AND 



MARY LOU MORROW 



Department of Entomology 



Army Medical Service Graduate School 



Walter Reed Army Medical Center 



Washington, D. C. 



(Publication 4215) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 30, 1955 



