kellicott. 65 



specimens is obscure ; a humeral and an antehumeral 

 present, usually united above ; first and second 

 lateral sutures obscurely margined with brown. Dor- 

 sal line on abdomen present on 1-7, 10 nearly all 

 yellow. Appendages yellow, spreading, shorter than 

 10, sides nearly parallel, outer distal angle prominent, 

 tipped with a black denticle, inner angle produced into 

 an oblique horn-like process, apex truncate, inferiors 

 longer than the superiors, strongly divaricate, yellow, 

 turned upward and black a: tip. 



The female has the vulvar scale short, triangular 

 divided at the apex with the ends rounded. 



Readily separated from villosipes by the male ap- 

 pendages, and by the absence of the spine on the 

 occiput. 



Taken at Licking Reservoir, June 14, and at Kent, 

 June 21. Does not seem to be common. 



Gomphus exilis, Selys. 



Length : of abdomen cT 30, 9 32 ; hind wing c? 24, 

 9 26. 



Colors black, olive, yellow and brown. Male occi- 

 put yellow or olive, straight and ciliate above, rear of 

 head brown or brownish, front margin of prothorax 

 yellow, posteriorly with an olive spot each side and a 

 geminate one of the same color between them ; brown 

 each side of the thoracic carina, humeral and ante- 

 humeral bands present, more or less obscurely sep- 

 arated by olive, space between first and second lateral 

 sutures brown , legs brown or black, all the tibiae 

 vittate with olive above, feet black ; wings, costa green- 

 ish, pterostigma brown. Abdomen black, yellow 

 dorsal band present on segments 1-9, segments 6 and 

 9 with ventral edges yellow, 10 wholly brown or with 

 a small yellow marking dorsally. 



Superior appendages as long as 10, divaricate con- 

 ical, acute at apex, from side view a triangular process 



