OOMPHUS. 107 



A male from Washington has the appendages a little, different ; 

 the specimen, however, is a very freshly excluded one ; perhaps it 

 belongs to this same species. 



19. G. spicatus ! 



Gomphus spicatus Hag.! Monog. Gomph. 153, 50, and 415, 50 ; pi. ix, fig. 

 2. Selys 1 Synops. 35, 44. 



Fuscous, spotted with luteous ; head pale yellow ; thorax clothed 

 with fuscous hairs, dorsum with a stripe each side and the sides 

 with two stripes, luteous ; femora luteous, above fuscous ; tibia3 

 blackish-fuscous, exteriorly yellowish, tarsi black ; abdomen equal, 

 inflated at base, fuscous, the dorsum with an interrupted, yellow 

 line, the base each side with a yellow stripe ; appendages fuscous, 

 the superior ones trigonal, acute at the apex, with an external, 

 basal tooth ; the inferior one broader, divaricated, broadly bifid ; 

 the vulvar lamina triangular, bifid, subdivaricated ; wings hyaline, 

 pterostigma yellow ; twelve antecubitals ; ten postcubitals ; two 

 discoidal areolets. 



Length 49 millim. Alar expanse 60 millim. Pterostigma 3 

 millim. 



Hob. New York (Schaum) ; Canada. 



20. G. militaris ! 



Gomphus militaris Hag.! Monog. Gomph. 416, 51 bis; pi. xxi, fig. 3. 

 Selys ! Addit. Synops. 16, 44 bis. 



Yellow, spotted with blackish -brown ; head pale yellow ; thorax 

 yellow, dorsum each side with a lateral stripe, which is troad, 

 blackish-fuscous, divided with yellow ; the sides with two brown- 

 ish-black lines ; feet yellowish, the femora bilineated with black, 

 the tibiae within, and the tarsi black ; abdomen slender, yellow, 

 dilated at the apex, an interrupted brownish-black line each side, 

 which is absent at the apex ; appendages yellow, the superior ones 

 trigonal, the apex curved inwards, acute, with an external obtuser 

 tooth ; the inferior appendage broadly bifid ; vulvar lamina ex- 

 tremely short, excised ; wings hyaline, pterostigma yellow ; 12 14 

 antecubitals ; eleven postcubitals ; two discoidal areolets. 



Length 4t 50 millim. Alar expanse 64 millim. Pterostigma 

 4 millim. 



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



