No. 39] ODONATA OF CONNECTICUT: COENAGRIONIDAE 77 



tips ; meso- and metathorax with usual mesepisternal pale stripe, 

 and black stripe on the suture, metapleura and venter of thorax 

 mostly pale; M, of the hind wing arising between post-nodal 

 cross-veins 3 and 4. 



Abdomen: mostly pale (blue?), black as follows: basal spot 

 on I ; apical spot and ring on 2-5 inclusive ; about two-thirds of 

 terga 6, and all of dorsum of 7 except an interrupted basal ring, 

 black; terga 8, blue with black lateral dashes. 9 entirely blue; 

 segment 10 black on dorsum, yellow below; anal appendages 

 short, the superiors blunt and feebly emarginate in lateral profile 

 (Fig. 10, No. 21), the inferiors pale, darker at tips, and a little 

 longer than the superiors. 



Measurements : total length, male 25 mm. ; length of abdomen, 

 male 19 mm. ; length of hind wing, male 16 mm. ; width of hind 

 wing, male 3 mm. 



Connecticut. — A single male collected by Dr. R. H. Howe at New 

 London, June 6, 1921, belongs here. 



Enallagma minusculum Morse 



Psyche, 7 : 207 : 1895. 



Nymph. — Unknown. 



Adult, male. — Color blue or bufif and black. 



Head : face pale below the antennae except for a transverse 

 black spot on the postclypeus ; dorsum of head black ; postocular 

 spots subcuneiform (comma-shaped), postocellar stripe wanting 

 or very narrow. 



Thorax : pronotum black, except the cephalic margin, the pro- 

 pleura pale below ; dorsum of femora and cephalic stripe on the 

 tibiae black ; tarsi pale, darker at tips ; pale stripe of the meso- 

 thorax a trifle narrowed caudad, the black stripe of the meso- 

 pleural suture a little wider than the pale stripe, and widest just 

 behind the katepisterna ; remainder of the pleura, except small 

 spots near wing-bases on the sutures, blue or pale brown ; venter 

 of thorax pale; M^ arising between postnodal veins 3 and 4 in 

 the hind wing. 



Abdomen : mostly black, the first segment with large lateral 

 blue spot and a smaller blue spot on the dorsum at apex ; 2 with 

 cephalic half and lateral margins blue ; 3-7 with blue cephalic 

 portions, the blue decreasing successively caudad, occupying a 

 little less than one-half of 3, and reduced to a small spot on 7; 8 

 and 9 entirely blue; 10 black above, pale below; anal appendages 

 black (Fig. 10, No. 10), the superiors with a large ventral lol^e 

 when viewed in lateral profile, the inferiors slender and but little 

 longer than the superiors. 



Female. — Color similar to the male. 



Head : similar to male. 



