38 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY 



[Bull. 



7. Cu2 terminating between nodus and origin of M^; length of male 



abdomen 35 mm. ( Fig. 42, No. i ) Teleallagma, p. 53 



Cu: terminating at or beyond the origin of M-; length of male 

 abdomen not over 30 mm. (Fig. 9, No. 3) Enallagma, p. 54 



Genus Anomalagrion Selys 



Nymphs. — Head with rounded caudo-lateral margins, the 

 labium with mental setae ; lateral keels usually spinulose ; abdom- 



FiG. 9. Front wings of 8 dififerent genera of Coenagrionidae. 



inal cuticle brown, very faintly spotted or not at all; gills less 

 than half as wide as long, usually without cuticular pigment, but 

 with comparatively inconspicuous tracheae, the latter not more 

 numerous at the widest portion of the gill ; gills with long taper- 

 ing points; total length including gills (fvill grown) about 14 mm. 

 Adults. — Postocular spots present ; wings with 6-9 postnodal 

 cross-veins in the front wings and M, arising between the third 

 and fourth of these ; stigma of male remote from the margin ; 



