116 bulletin: museum of comparative zoology. 



A. tonto. 



Calvert, B. C. A., pp. 71, 73, 80, pi. iv. fE. 17 (niest. lam. 9), 48, 48 s (apps. d") 

 (1901, '02). d ?. 



Hab. : Arizona. Types in Coll. Calvert. 



A. translata. 



(Plate 1, Figs. 9, 9«.) 



Hagen in Selys, Argia, p. 410 (38) (1865). Calvert, 27th Ann. Rep. New Jersey 

 State Board Agric, Suppl., p. 08 (1900) ; P.. C. A., p. 76, pi. iv. ff. 18 (mc.«t. 

 lam. ?), 30, 30 s (apps. J) (1901, '02). d 9. Graf, Ent. News, xiii. p. 113 

 (1902). 



Hab. : New York to Venezuela. Types in M. C. Z. 



A. ulmeca. 



Calvert, B. C. A., pp. 70, 73, 80, pi. iv. ff. 9 (mest. lam. 9) 34, 34 s, 341 (apps. J) 

 (1901, '02). d 9. 



Hab. : Mexico, Honduras. Types in Colls. Calvert, Godman. 



A. variabilis. 



(Plate 1, Figs. 1, la.) 



Selts, Argia, p. 406 (34) (1865) (cf only). Calvert, B. C. A., p. 91, pi. iv. f. 53 

 (apps. cf) (1902). d ?. 



Hab. : Mexico to Costa Rica. Types in Colls. Selys and M. C. Z. See also 

 A. medullaris and A. extranea, supra. 



A. violacea. 



(Plate 1, Figs. 17, IT a.) 



Agrion violaceum IIagen, Syn. Neur. N. Am., p. 90 (1861). 



Argia violacea Selvs, Argia, p. 404(32) (1865). Calvert, Trans. Am. Ent. Soc., 

 XX. p. 233 (1893). Kellicott, Jour. Cincin. Soc. Nat. Hist., xvii. p. 203 

 (1895), Odon. Ohio, p. 25 (1899). Williamson, 24th Ann. Rep. Dept. Geol. 

 Indiana, p. 262 (1900). 



Hab. : Maine to Virginia, west to Michigan and Illinois ; Texas, New 

 Mexico. Types in M. C. Z. 



