1875.] 47 [Hagen. 



18. Gomphus vastus, a, ?. 



Gomphus vastus Walsh! Proc. Acad. Philad., 1862, 391. — Selys ! 

 Syn. Addit., n, 13, 31 ter. 



Hab. Kock Island, 111.; Maryland (?); N. York; Tyngsboro, 

 Mass. (?) ; Washington, D. C. 



19. Gomphus ventricosus, d", ?. 



Gomphus ventricosus Walsh, Proc. Ent. Soc. Philad., i, 249. — Selys, 

 Syn. Addit., n, 14, 31 quart. 



Hab. Rock Island, 111., one male ; Dalton, Virginia. 



The female from Virginia in my collection, formerly my G. ignavus, 

 belongs very probably to G. ventricosus. 



20. Gomphus externus, d, ?. 



Gomphus externus Selys! Monogr., 411, 37 bis; pi. 21, f. 2; Syn. 

 Addit,, i, 14, 31 bis. — Hag. ! Syn., 104, 12. 



Hab. Pecos River, Western Texas, July 5 ; Nebraska. 



21. Gomphus consobrinus, <?, ?. 



Gomphus consobrinus Walsh ! Proc. Ent. Soc. Philad., i, 242; Selys ! 

 Syn. Addit., n, 15, 32 bis. 

 Hab. Rock Island, 111. ; Bee Spring, Kentucky. 



22. Gomphus quadricolor, d\ 



Gomphus quadricolor Walsh, Proc. Ent. £>oc. Philad., i, 246. 



Selys, Syn. Addit., n, 19, 38 ter. 



Hab. Rock Island, III., one male ; two males from Mt. Tom, Mass., 

 and Lansing, Mich., probably belong to this species. 



23. Gomphus graslinellus, d", ?. 



Gomphus graslinellus Walsh ! Proc. Acad. Phil., 1862, 394 ; Proc. 

 Ent. Soc. Philad., I, 242. — Selys ! Syn. Addit., i, 16, 32 ter. 

 Hab. Rock Island, 111. 



24. Gomphus spicatus, d, ?. 



Gomphus spicatus Selys! Monogr., 153, 50; 415, 50, pi. 9, f. 2; Syn., 

 34, 44; Addit., n, 20, 44. — Hag. Syn. ! 107, 19. 



Hab. Ontario, Canada ; Natick, Mass, June 4 ; New York. 



25. Gomphus fraternus, d", ?. 



JEschna fraternus Say, Journ. Acad. Philad., viii, 16, 9. 



Gomphus fraternus Selys ! Monogr., 125, 38, pi. 7, f. 4; Syn., 28, 

 32. — Hag. Syn., 104, 14. — Walsh, Proc. Acad. Philad., 1862, 393; 

 Proc. Ent. Soc. Philad., i, 238. 



Hab. New York, Rock Isl, 111.; Dallas, Texas (probably) ; New 

 Hampshire (probably). 



