PAPILIO. 



Prgan of tl^e flew Jork pntomological flub. 



Vol. 2.] 



April, 1882. 



[No. 4 



FEMORAL TUFTS OR PENCILS OF HAIR IN CERTAIN 



CATOCAL^. 



By James S. Bailey, A. M., M. D. 



The accompanying cut represents the fan-shaped brushes of 

 hair found upon the pedes viedii of certain Catocalcs. They are 

 inserted in or near the trochanters, and lie concealed within the 

 folds of and close to the spines of the femora, and reach nearly 

 their entire length. The tufts are capable of being elevated at 

 will, as seen in the engraving, and of being completely hidden 



when desired. When 

 a fan, and resemble an 

 outer border has the 

 been evenly trimmed 

 the season of 1881, at 

 concumbens was quite 

 spreading, in some of 

 tuft was visible, but in 

 pencils seen at the same 

 without lifting one ol 

 of an entomological pin. 

 by passing the point 



extended they open like 

 artist's fitch brush. The 

 appearance of having 

 with scissors. During 

 Center, N. Y., Catocala 

 numerous at sugar. In 

 the examples a single 

 no instance were both 

 time in an individual 

 them out with the point 

 This was accomplished 

 through the scales, and 



very close to the trochanters, when the tufts were easily lifted 

 from their resting places and exposed to view, which gave the 



