108 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
A. cuprea, 
(Plate 1, Figs. 8, 8a.) 
Agrion cupreum Hacen, Syn. Neur. N. Am., p. 96 (1861). 
Argia cuprea SEtys, Argia, p. 407 (85) (1865). Catvert, B.C. A., p. 84, pl. iv. ff. 
22 (mest. lam. ¢), 41, 41s (apps. #7) (1902). of @. 
Nec. A. cuprea CaLvERT, Proc. Calif. Acad. Sci. (2), iv. p. 479 (1895). 
Hab. : Mexico, Guatemala. Type in M. C. Z. 
A. deami. 
Carvenrt, B. C. A., pp. 71, 90, pl. iv. ff. 13 (mest. lam. 2), 52, 52s (apps. &) (1901- 
202). od 2. 
Hab.: Mexico. Types in Colls. Adams, Deam. 
A. difficilis. 
Sexys Argia, p. 413 (41) (1865). Cazvert, B. C. A., p. 84, pl. iv. f. 15 (mest. 
lam. 2) (1902). ¢%. 
Hab.: Panama, Venezuela, Ecuador, Peru. Type in Coll. Selys. 
A. dimissa. 
(Plate 2, Fig. 9.) 
Sevys, Argia, p. 388 (16) (1865). o& &. 
Hab.: Tijuca (Brazil). Types in Coll. Selys. 
A. eliptica. 
(Plate 1, Figs. 15, 15a.) 
Sexys, Argia, p. 393 (21) (1865). of. (¢ 2). 
Hab.: Brazil. Type in Coll. Selys. 
A. extranea. 
(Plate 1, Figs. 6, 6a.) 
Agrion extraneum HaGEn, Syn. Neur. N. Am., p. 92 (1861). 
Argia extranea Seys, Argia, p 399 (27) (1865). Catvert, Proc. Calif. Acad. Sci., 
(3), Zool. i. p. 380, pl. xxv. f. 8 (apps. d) (1899); B. C. A., p. 92, pl. iv. ff. 
3, 4 (mest. lams. ?), 56, 568, 56i, 56ii (apps. &) (1902). & &. 
? Argia variabilis Se.ys, Argia, p. 406 (34) (1865) (? only). 
Hab.: Mexico, Guatemala, Costa Rica, Colombia, Guiana. Type in M. C. Z. 
