KELLICOTT. 63 



tapering patch on 3-6 in no case reaching the apex, a 

 triangular, basal patch on 7 and 8, a wide vitta wide- 

 ning gradually as it approaches the apex on 9 and an 

 elongate spot on 10 ; laterally segments 1, 2 and 

 base of 3 are greenish yellow, 4-7 have obscure basal 

 patches, and 8 and 9 have the lower border wholly 

 bright yellow. Superior appendages brown, from 

 above divaricate, sides nearly parallel, outer distal 

 angle nearly a right angle, inner distal angle pro- 

 duced into an oblique acuminate process, apex slightly 

 concave ; inferior appendage nearly as long as the 

 superior, spreading, curved upward and inward at the 

 tip. 



The female is stronger, abdominal segments 8 and 

 9 are not so strongly dilated, the front femora are 

 yellowish vittate below and the occiput is concave 

 with a prominence in the middle ; appendages pointed, 

 dark, the lamina is short. 



Separated from fraternus by the wide vitta on 9, 

 and from externus as well as fraternus by the greenish 

 yellow stripe on the superior side of all the tibiae. 



The species flies in central Ohio during June and 

 the first part of July. Four pairs taken in this local- 

 ity are in the University collection. 



Group TV. 

 Gomphus villosipes, Selys. 



Length of abdomen cT 38, 9 39 ; of hind wing cT 31, 

 9 33. 



The color is black, olive, yellow, and brown. In the 

 male the rear of the eyes is yellow below, black above; 

 occiput yellow, extreme edge black, cilia black; convex, 

 stout, black, spine in the center ; vertex black, end of 

 the vesicle yellow; whole front and lips yellow. Pro- 

 thorax black, yellow spot on sides and double one in 

 middle of -second lobes, yellow spot in middle of third 



