PSYCHE 
A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XLVI MARCH, 1939 No. 1 
i 
TABLE OF CONTENTS 
A Simple Stroboscopic Method for the Study of Insect Flight. 
Leigh E. Chadwick 1 
Immature North American Trichoptera. Margery J. Milne 9 
The Mimetic Resemblance of Flies of the Genus Systropus to 
Wasps. Charles T. Brues 20 
Some Extracts from the History of Entomology in China. Gaines 
Liu 23 
Further Notes on Cannibalism Among Larvae. V. G. Dethier. ... 29 
Additional Records of Onychophora from the Island of Haiti. 
Charles T. Brues 36 
On the Genus Abaris Dej. (Coleoptera: Carabidae). S. L. Straneo 38 
