KELLICOTT. 31 



The female has the marks a Uttle paler than the 

 male. 



The tenth segment of the male is short, posterior 

 border with a forked upturned process. Superior ap- 

 pendages very short, yellow, thick above, a tooth at the 

 superior angle ( upper branch ), the organ then turns 

 downard and inward, becoming thin below and ending 

 in an obtuse angle. The inferior appendages are about 

 the same length, arise from a thick base, then narrow to 

 a hand-like termination, the fingers of which are repre- 

 sented by five corneous denticles. The appendages and 

 valves of the female are yellow, the processes short and 

 dark. 



This pretty species appears earh- and remains until 

 late in September. It is abundant throughout the 

 state. 



AMPHIAGRION, Selys. 



This is a genus of one species; one that ranges 

 from equatorial America, at least as far north as Lake 

 Erie and on the Atlantic Coast to Maine. In central 

 Ohio it is extremeU' common about runs from springs. 

 It occurs throughout the state. 



Amphiagron saucivm, Burmeister. 



Length: of abdomen cf 18, ? 17; of hind wing cf 

 14, ?15. 



Red and dull black. Male, top of head black, ante- 

 clypeus, genas and labium red, under parts of head, 

 thorax and legs pale reddish, the latter \vith or with- 

 out faint black lines; upper part of prothorax and 

 thorax black; pterostigma reddish; segments 1-6 

 wholly red, 7 partly, the rest entirely blackish. 

 Female, head as in the male except the black gives 

 place to reddish on the rear ; thoracic dorsum with a 



