80 NEUROPTERA OP NORTH AMERICA. 



Length 26 millim. 



Hob. 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, ?. 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. 



Hob. Cuba (Poey) ; St. Thomas. Allied to Agrion ramburii. 



12. A. defixum ! 

 Agrion defixum 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, 



