u 
ARGYNNIS Till. 
male, tlie apical spot on primaries sometimes silvered, as also the outer row on sec- 
ondaries. 
According to Dr. Behr, (paper first cited) “ the diagnosis of Zerene , Boisd., 
certainly comprises two species,” one of which is now Monticola above described. 
In a letter from Dr. Behr, dated San Francisco, Aug. 16, 1868, he says, “A. Mon- 
ticola is found in different localities from A. Zerene. It is more alpine, and is 
found in the Yo Semite valley and other mountain localities.” 
