Hagen.] 152 [December 27, 



to separate the larger number of all American Colias. A careful 

 study of his statements about C. Philodice apparently justifies 

 the doubt if other species, some described after a few specimens, 

 are to be accepted as reliable species, the more so when females 

 are considered as belonging to males, only for the reason that 

 they arrived in the same lot. The most carefully worked out 

 species, C. Philodice and C. Eurytheme, are so nearly related to 

 each other that obviously reliable differences are still a want. 



Colias Edwardsii. 



C. Edwardsii (Behr in lit.), W. H. Edwards, Tr. Ent. Soc. Phil. 



in, p. 11, Jan. 1870.— 1ST. A. But., Vol. i, no. vi. August, 1870. 

 C. Edwardsii, Mead, Wheeler's Expl. Vol. v, p. 749.— 1875. 

 C. Edwardsii, H. Edw. Proceed. Calif. As. Feb. 1877. — separat. 



p. 10. 

 0. Edwardsii, Bull. Brookl. Ent. Soc. Vol. i, March 1879. No. 11. 



Synopt. Tabl. no. 6. 



The species was described from one male and two females, 

 taken near Virginia City, Nev., at high elevation, in the collection 

 of Dr. Behr. The figures in 3ST. A. Butt. No. vi disagree with the 

 description in having the secondaries greenish instead of pale 

 yellow in figs. 2 and 4, and in having the fringes in figs. 1 and 2 

 throughout strongly pink, instead of " yellow on the secondaries, 

 and at and above the inner angle yellow on the primaries." Both 

 characters are of importance for the comparison of C. Edwardsii 

 with C. Alexandra. 



The following remarks are made from 129 specimens collected 

 in Oregon and Washington Territory ; some were identified by 

 Mr. H. Edwards as the true C. Edwardsii. 



Male. 



I have separated the 83 males in several series representing cer- 

 tain differences. The discal spot of the secondaries is wanting 

 (as given by Mr. Edwards) in 29, present in 54 ; but among the 

 latter 14 show all intermediate forms of a more or less oblit- 

 erated discal spot. 



