134 NEUROI>TERA OF NORTH AMERICA. 



in the female, flavescent, pterostigma small, black; membranule 

 whitish cinereous; 14 16 antecubitals; 8 9 postcubitals ; two 

 discoidal areolets. 



Length 68 73 millim. Alar expanse 90 102 millim. Ptero- 

 stigma 2J millim. 



Hob. Pecos River, Western Texas (Capt. Pope). 



4. M. pacifica ! 



Macromia pacifica Hagen ! 



Fuscous ; thorax fuscous, tinged with brassy-green, dorsum each 

 side with a stripe, and sides each with an oblique stripe, yellow ; 

 abdomen fuscous, spotted with yellow in part ; feet black ; abdo- 

 minal appendages blackish-fuscous, the superior ones broader at 

 base, a tooth upon the external middle ; the basal half narrower, 

 incurved, the apex acute, inferior appendage black, triangular, a 

 little longer ; wings hyaline, base of the posterior ones subfumose; 

 pterostigma small, black ; membranule whitish-cinereous. Male. 

 Sixteen antecubitals; eleven postcubitals; two discoidal areolets. 



Length ? millim. Alar expanse 86 millim. Pterostigma 2i 

 millim. 



Hal. North America, Pacific R. R. Survey, Lat. 38. 



The specimen is very much mutilated ; I saw nothing but frag- 

 ments, excepting the wings, feet, thorax, and abdomen. 



EPITHECA CHARP. 



The triangles with transverse veins ; hind wings of the male with 

 the anal angle rounded ; the accessory membranule large. 



E. princeps ! 



Epitheca princeps Hagen ! 



Fuscous; mouth and front pale, labrum yellow; thorax luteous, 

 dorsum anteriorly obsoletely fuscous, the sides at the feet a little 

 varied with fuscous ; feet luteo-fuscous, tibiae black, the anterior 

 ones luteo-fuscous exteriorly ; abdomen long, the base inflated, the 

 apex equal, luteous, the dorsum obsoletely marked with fuscous ; 

 appendages long, fuscous, superior ones cylindrical at base, nar- 

 row, inflated at the apex, subincurv%d, obtuse ; the inferior one 

 luteous, shorter, triangular ; vulvar lamina long, bilobed ; wings 

 hyaline, base of the anterior ones with a broad streak, a large, 



