RELLICOTT. 83 



2. Male, anal triangle with two cells; superior appendages with 

 longitudinal carina not denticulated. Female, genital valve not 

 strongly elevated at apex, vulvular process short verticalis. 



3. Male, anal triangle of two cells; longitudinal carina of superior 

 appendages with apical third denticulated clepsydra* 



*We have not succeeded in identifying the female of this species. 



JEschna. constricta, Say. 



Length of abdomen d 52-58, 9 53-55, hind wing 

 c? 43-46 9 45. 



Colors fuscous, brown and green. Male; front 

 green, with a T-shaped black spot above; occiput 

 yellow, lateral projections black; back of eyes black. 

 Thorax brown with an antehumeral and two lateral 

 bands green, also green between each pair of wings, 

 femora brow r n above fuscous beneath, tibiae and tarsi 

 black ; wings, pterostigma fuscous, membranule white 

 anteriorly, dark posteriorly, anal angle of hmd wings 

 three celled. Abdomen fuscous, banded and spotted 

 with green, strongly constricted at 3; superior ap- 

 pendages as long as 9 + 10, inferior margin prominent, 

 hairy, and thickened to form an inward projecting 

 tubercle posteriorly; base narrow, inferior distal angle 

 produced into a prominent spine. Inferior appendages 

 one half as long as the superiors, concave above, con- 

 ical, blunt and obscurely notched at apex. 



Female, wings yellowish, especially in od speci- 

 mens, appendages foliate, mucronate at tips, narrow 

 at base, length 7 millimeters ; genital valve slightly 

 longer than 9, with a lateral emargination; apex 

 elevated truncate; vulvular process 2 millimeters long 

 and tipped with a bundle of hairs. Description of 

 female taken from three specimens taken in copulation. 



This is our commonest A^schna and is taken in all 

 parts of the state. 



Alschna verticalis, Hagen. 



Length of abdomen, 50-53 9 53, hind wing c? 44-47 

 9 45. 



