80 NEUROPTERA OE NORTH AMERICA. 



Length 26 millim. 



Hah. South Carolina (Zimmerman); unknown to me; is it not 

 a female Agrion saucium Burm. ? 



A. dorsale Selys, Poey Ins. Cuba is perhaps different. 



11. A. credulum ! 



Agrion credulum Hagen! 



Brassy fuscous; head in front and an occipital point each side 

 blue; posterior lobe of the prothorax short, rounded; dorsum of 

 the thorax brassy fuscous, each side with a blue stripe, sides blue, 

 a line in the middle black; feet black, femora within, base of the 

 tibiae exteriorly, and apex of the tarsi pale ; abdomen brassy 

 fuscous, the sides and a basal ring upon segments 3 — 6 yellow; 

 segment 8 entirely, 9 base only blue; segment 10 elevated in 

 the middle of the margin, sub-bifid; appendages short, apex of 

 the superior ones arcuated, biparted ; the internal branch longer, 

 at the apex obliquely truncated, the external branch conical ; the 

 inferior appendages a little longer, unguiculated; wings hyaline, 

 pterostigma of the anterior ones black, exteriorly whitish, of the 

 posterior wings luteous. Eight postcubital cross-nervules. Female 

 similarly colored, pterostigma of all the wings luteous. (The spe- 

 cimen is very much mutilated.) 



Var. 9. Head brassy-green, in front and an occipital point 

 each side orange, posterior lobe of the prothorax short, rounded ; 

 thorax orange, dorsum with a middle brassy-green stripe ; feet 

 yellowish, exteriorly black; abdomen brassy-green, sides, a ring 

 upon the basal segments and the second segment each side at base- 

 orange yellow. (The apex of the abdomen is destroyed.) 



Length 30 millim. Alar expanse 29 millim. 



Hah. Cuba (Poey); St. Thomas. Allied to Agrion ramhurii. 



12. A. defixum ! 



Agrion dejixum Hagen! 



Black ; head in front and an occipital point each side green ; 

 posterior margin of the prothorax short, rounded ; dorsum of the 

 thorax black, each side with a green stripe ; sides green, a small 

 stripe at the wings black; feet green, exteriorly black; abdomen 

 black, sides, and a basal annulus upon segments 3 — 6 green, 8 — 9 

 blue, at base a little black; 10 with the margin elevated in the 

 middle, sub-bifid ; appendages short, superior ones two-branched, 



