114 NETIROPTERA OF NORTH AMERICA. 



two stripes, conjoined at the wings, the external one narrower, and 

 the sides with three oblique ones, the middle one incomplete, yel- 

 low or green ; feet black, femora rufous, obscurer at the apex ; 

 abdomen long, slender, the base inflated, the apex somewhat 

 broader, brownish-black, the base with a yellow, dorsal line ; 

 appendages black, subcylindrical, forcipated, obtuse at the apex, 

 the inferior one almost absent ; ventral lamina narrow, bifid ; wings 

 hyaline, the pterostigma large, yellow. 19 — 23 antecubitals ; 11 

 — 15 postcubitals ; 2 discoidal areolets. 



Length 59 — 65 millira. Alar expanse T6 — 84 millim. Ptero- 

 stigma 5 millim. 



Hah. Cuba (Poey) ; British Guiana (Schomburgk) ; Bahia, 

 Brazil. 



7. G. tenuis! 



Aphijlla tenuis Hagen 1 Selys, Addit. Synops. 21, 80 bis. 



Luteous ; head luteo-fuscous ; dorsum of the thorax fuscous, 

 sides luteous ; feet black, femora luteous ; abdomen long, slender, 

 equal, subinflated at base, luteo-fuscous, the segments obscurer at 

 their apex ; appendages fuscous, subcylindrical, forcipated, the 

 apex acuter; the inferior appendage absent; wings hyaline, ptero- 

 stigma large, luteous, Male. 19 — 22 antecubitals ; 12 — 13 post- 

 cubitals ; 2 discoidal areolets. 



Length 50 millim. Alar expanse 61 millim. Pterostigma 4 

 millim. 



Hab. Choco, New Grenada (Schott). 



The specimen is teneral, the colors hardly perfected, preserved 

 in spirits. 



HAGENIUS Selys. 



Triangles with transverse veins ; the superior side longer than 

 the interior ; feet very long. 



1. H. brevistylus! 



Bac/enius brevistylus Selys ! Monog. Gomph. 241, 86 ; pi. xiii, fig. 2. 

 Selys I Synops. 63, 84. 



Black, spotted with yellow; head yellow in front, a black fascia 

 before the eyes, above llack ; thorax black, dorsum each side with 



