No. 39] ODONATA OF CONNECTICUT: AESHNIDAE 195 



eyes contiguous on the meson for about 2 mm. ; caudal surface 

 of the occiput with a small tubercle. 



Thorax: brown marked with three wide green stripes on each 

 side ; green stripe of the mesepisternum about i mm. wide by 

 4 mm. long and considerably widened near the wing bases ; a broad 

 green stripe occupying most of the mesepimera and part of the 

 metepisterna about 2 mm. wide by 7 mm. long, the cephalic border 

 of the stripe broken at middle, the dorsal half of margin much 

 further caudad ; green stripe of the metepimera 1.5 by 6 mm. 

 long ; venter of thorax mostly brown with some green behind 

 the metacoxae ; legs black or brown, the femora and tibiae each 

 with two rows of short spines beneath, claws with ventral tooth 

 at middle; wings (PI. viii. Fig. 3) clear, with 16-18 ante- and 

 16-17 postnodal cross-veins in the front wings, the triangles with 

 2 to 3 cross-veins in the front wings and with 3-4 cells in the 

 hind ; anal loop of hind wings consisting of 7-9 cells ; stigma 

 surmounting 23^ to 3^ cells in the front wing and about 4 in 

 the hind ; antenodal cross-veins of the second series pale in color. 



Abdomen: brown in dried specimens with green on the sides 

 of 2 and 3 at least ; auricles of 2 very prominent, the caudal 

 margins of each bearing about 10 spines ; terga 2-8 with trans- 

 verse furrows ; 3-8 with a single lateral carina on each side ; a 

 prominent dorsal carina on terga 3-10; superior anal appendages 

 about 3.5 mm. long and black; in dorsal view considerably 

 expanded just beyond middle ; inferiors entire, with two small 

 teeth at the apex. 



Female. — Diflfers from the male in not having the face concave ; 

 anal appendages brown, a little longer than the last segment, short, 

 thin, straight and pointed. 



Measurements : total length, male 72 mm. ; length of abdomen, 

 male 51-55, female 47 mm.; length of hind wings, male 45-48, 

 female 50 mm. ; width of hind wings, male 12 mm. 



A single male taken at Breakneck Pond, Union, Conn., June 24, 

 1921, by Mr. S. W. Bromley, belongs here. Also one male from 

 Litchfield, 14 June, 1925 (P. G.). 



New England. — June 14-July 9. 



Genus Epiaeschna Selys 



Nymphs. — Hind angles of the head obtusely rounded ; proximal 

 segments of labial palpi sharply truncate at tip, with a strong 

 internal hook ; antennae with six segments ; abdomen with lateral 

 spines on segments 5-9 and with an obtuse mid-dorsal ridge, but 

 no hooks. 



Adults. — Wings with upper half of arculus as long as lower; 

 Mo not making a sharp bend towards M^ at distal end of stigma; 

 Rs forked; only two rows of cells between Rs and supplementary 

 radius; triangle and supertriangle with cross-veins, basilar space 



