90 NEUROPTERA OF NORTH AMERICA. 



dorsum of the abdomen brassy-black, with basal yellowish lunules 

 upon the segments; segment 8 with an acute ventral spine; wings 

 hyaline, pterostigma rhomboidal, small, black, or (9) fuscous; ten 

 postcubital cross-nervules. 



Length 31 millira. Alar expanse 34 millim. 



Hah. Florida (Norton); St. John's Bluff, Florida (Double- 

 day). 



32. A. bipunctulatum ! 



Agrion hipunctulatum Hagen! 



Black-brassy, varied with blue ; head black, in front blue, occipi- 

 tal spots absent; posterior lobe of the prothorax broader, each side 

 rounded; dorsum of the thorax brassy-black, each side of it a blue 

 stripe; sides blue, with a black middle line; feet pale, femora and 

 tibiae with an external line, and the tarsi entirely black ; abdomen 

 blue ; segment 1 has a basal spot, 2 has an apical point each side, 

 3 — 6 at the apex, T almost entirely brassy-black, 8 — 10 blue; 

 margin of the last segment subexcised, each side tuberculous, a 

 bifid tubercle upon the middle inferiorly; appendages extremely 

 short, black, superior ones cylindrical, inferior ones a little longer, 

 broader, obtuse, with an apical tooth superiorly ; wings hyaline ; 

 pterostigma small, rhomboidal, rufous; eleven postcubital cross- 

 nervules. 



Length 28 millim. Alar expanse 33 millim. 



Hah. Georgia (Abbot). 



33. A. violaceum ! 



Afjrion violaceum Hagen ! 



Violaceous; head with a transverse black stripe superiorly; a 

 large violaceous occipital spot each side ; posterior margin of the 

 prothorax rounded, subexcised in the middle ; dorsum of the thorax 

 violet, upon the middle a narrow black stripe ; sides pale violet, a 

 bifid stripe above at the wings and a line upon the middle, black ; 

 feet pale, femora exteriorly, tibiae interiorly and the tarsi entirely 

 black; abdomen (J*) violet, segments 2 to 6 with an apical spot 

 each side, and 7 almost entirely black; margin of 10 broadly ex- 

 cised ; appendages short, superior ones broad, obtuse, inferior ones 

 larger, the apex sub-bifid ; or ( 9 ) yellowish-green, segments each 

 side with an apical stripe and point, and T almost entirely black ; 



