72 E. B. Williamson 



PLATE III 



Wing photographs by Miss Mina L. Winslow. 



Figure 8, Gynacantha interioris, male, Colonia del Perene, Peru ; Figure 9, G. 

 membranalis, male, La Fria, Venezuela, April 21, 1920; Figure 10, G. gracilis. La Fria, 

 Venezuela, April 12, 1920. 



