238 NEUROPTERA OF NORTH AMERICA. 



* Eyes sulcated. 



1. A. hyalinus ! 



Ascalaphus hyalinus Latr. Humboldt Recueil, II, 118, tab. xl, fig. 7. 

 Ascalaphus machayanus Guild. Trans. Linn. Soc. Lond. XIV, 140, 

 tab. vii, fig. 11; Walk. Catal. 436, 51. Ascalaphus senex Burin.! 

 Handb. II, 1001, 7. Ascalaphus 4-maculatus Say, Long's Exped- H, 

 305. 



Fusco-ferruginous ; front fuscous, above gray, vertex with fus- 

 cous vUlosity ; antenna; fuscous, the base with fuscous hair, the 

 apex luteous, incisures black, club oblong, black, beneath striated 

 with luteous; eyes lurid posteriorly; thorax fuscous upon the dor- 

 sum, varied with ferruginous; pectus clothed with white hair; feet 

 fusco-luteous, tibiae with a narrow, black basal aunulus, apex of the 

 tarsal articles black ; abdomen fusco-ciuereous, the dorsum with 

 oblique black streaks each side; wings equal, the apex subobtuse, 

 base of the anterior ones subemarginated, the base of the posterior 

 ones with fuscous villosity; hyaline, veins luteous, partly fuscous; 

 pterostigraa small, uigro-fuscous. 



Alar expanse 55 millim. Length of the antenna? 25 millim. 



Hob. Savannah; Pennsylvania (Say); Matamoras, Mexico; Cu- 

 ba ; Island of St. Vincent ; Pecos Pviver, Western Texas (Capt. 

 Pope). 



2. A. avunculus ! 



Ascalaphus avunculus Hagen! 



Very closely allied to the preceding; it* differs in having the 

 vertex clothed with gray villosity ; the eyes above, posteriorly yel- 

 low, with a transverse brownish-black band, beneath brownish- 

 black ; club of the antenna? yellow beneath ; in the males, the 

 antennas much longer; feet fuscous, tibiae and tarsi black; the head 

 less thick. 



Alar expanse 50 millim. Length of the antenna? 23 ; J 1 33 

 millim. 



Hob. Cuba (Poey). 



3. A. quadripunctatus ! 



Ascalaphus quadripunctatus Burm.! Handb. II, 1001, 9. Ascalaphus tri- 

 maculatus Lefeb.! 



Fuscous; front fuscous, gray above, vertex with fuscous villosity; 

 antenna? luteo-fuscous, the incisures black; base with fuscous pile, 



