KELLICOTT. 59 



bands narrow; coxae yellow, legs black with little pale 

 on the inside of the femora ; costa yellowish, ptero- 

 stigma light brown covering three cells on fore wings. 

 Abdomen slender, moderately expanded at 8 and 9, 

 and four on hind wings black, yellow as follows : sides 

 of 1 and 2 including the ear like appendages, expansion 

 of 8 and 9, dorsal band from 1-8-broad on 1 and 2, 

 narrow, lanceolate, apical, very small triangle on 8. 



The superior appendages of the male are black, 

 longer than 10, pointed with the apex directed outward; 

 in profile there is a broad expansion downward with a 

 backwardly directed tooth near outer third. The in- 

 feriors are nearly as long, more divaricate and turned 

 upward at apex. 



The female is stouter, occiput less strongly convex, 

 vertex lighter, more pale or even olive on femora, 

 dorsal band less pronounced, expansions on 8-9 slight 

 not so bright yellow. The appendages are conical and 

 black; the vulvar lamina is exceedingly short, emargin- 

 ate, lobes round and thick ; the posterior border of 8 is 

 thickened and emarginate so there are four rounded 

 bodies at this level . 



This pretty species has been taken in Central Ohio 

 late in May and as late as June 15. It rests on rocks 

 projecting from rapids on the banks near by the most 

 rapid parts of large streams. 



Gomphus fraternus, Say. 



Length of abdomen d and 9 38 ; of hind wing cT 31, 

 2 32. 



Male black and greenish yellow, Head; occiput 

 yellow, strongly convex, fringed with black hairs, rear 

 black, yellow at border of eyes, vertex and antennae 

 black, the whole face yellow, labium brownish. Pro- 

 thorax black, bright yellow anterior edge, olive spot 

 each side and two geminate ones in middle above. The 

 thoracic carina is yellow with narrow black, parallel, 



