108 NEUEOPTERA OP NORTH AMERICA, 



21. G. intricatus ! 



Gomphus intricatus Hag.! Monog. Gomph. 418, 51 ter; pi. xxi, fig. 3. 

 Selys ! Addit. Synops. 16, 44 ter. 



Yellow, spotted with brownish-black; head pale yellow; thorax 

 yellow, dorsum with a medial fascia, divided with yellow, each side 

 an incurved fascia, and a humeral one, brownish-black ; femora 

 yellow, with a fuscous stripe above, tibiae black, exteriorly yellow, 

 tarsi black ; abdomen slender, broader at the apex ; yellow, each 

 side with an interrupted, fuscous stripe, which is absent at the 

 apex ; appendages yellow, the superior ones divaricated, the apex, 

 outwardly, truncated, acute, the inferior appendage broadly bifid ; 

 wings hyaline, pterostigma yellow. Male. 



Tw'elve antecubitals ; eight postcubitals ; two discoidal areolets. 



Length 45 millim. Alar expanse 60 millira. Pterostigma 3 

 millim. 



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



22. G, minutus ! 



Gomphus minutus Ramb.! Neuropt. 161, 9. Selys ! Monog. Gompli. 155, 

 51 ; pi. ix, fig. 3. Selys I Synops. 36, 45. 



Yellow, spotted with black ; head yellow ; thorax yellow, dor- 

 sum with a medial fascia, and a broad lateral one each side, black, 

 divided with yellow, the sides with two, almost contiguous, oblique, 

 black stripes ; feet yellow, femora exteriorly, the tibiae interiorly 

 and the tarsi, black ; the abdomen somewhat broader at the apex, 

 yellow, each side with a broad black stripe ; appendages yellowish, 

 fuscous at the apex, the superior ones trigonal, with a long, basal 

 tooth beneath ; the inferior one broadly bifid ; vulvar lamina very 

 short, excised ; wings hyaline, pterostigma yellow ; twelve ante- 

 cubitals ; eleven postcubitals ; two discoidal areolets. 



Length 49 millim. Alar expanse 60 millim. Pterostigma 3 

 millim. 



Hah. Georgia (Abbot). 



23. G. exilis ! 



Gomphus exilis Selys ! Monog. Gompli. 156, 52. Selys! Synops. 36, 46. 



Yellow, marked with blackish-fuscous ; head yellow ; thorax 

 yellow, dorsum with a broad middle stripe and each side of it a 

 broad lateral one, each divided with yellow, fuscous ; sides yellow, 

 with a broad, oblique, fuscous fascia ; feet yellow, femora exte- 



