NORTH AMERICAN BUTTERFLIES. 



i; 



■with a series of triangular white spots and the bands of central cell are 

 wider and darker ; and there are some black-edged, red spots, three in 

 the female and occasionally also in the male, though sometimes all are 

 wanting in the male, in the second short, dusky band Avithout the cen- 

 tral cell. Fig. 13, c. In the female, there is an extra black-ringed, red 

 spot in this band near lower margin of wing, often present in male also. 

 Below, the crimson spots are repeated and there are in both sexes, three 

 or four black spots at the base of the hind wings, crimson-centered in 

 the females and often in the males. There are two unfused red spots 

 on inner angle of female, frequently represented by one in males. Pouch 

 of female, black; Fig. 13, a. Expands 1.80 to 2.50. 



Habitat, Rocky Mountains, Colorado to INIontana, New Mexico, and 

 Mt. Bradley, California. Occurs in June, July, and August. 



24a. PARNA8SIUS SMiNTHEUS BEiiRii Edw. Similar to typical P. 

 smintheus, but differs in having the sub-marginal band on both wings 

 much heavier, and in having the spottings always orange in the male, 

 and frequently so in the female. Habitat, Nevada and Utah. 



Fig. 13. 







a bed 



IlUistrating the genus Parnassius. a, abdominal |iouch of female fmintheiis, cnlarireil; d, right 

 fore wing, upper sideofclodius; c, same of smintheus; b, same of eversmaiinii. 



24b. Parnassius smintheus iiermodur II. Edw. INIuch darker 

 on fore wings than the type, the whole uytjier surface being strongly 

 tinged with smok}^ nearly obscuring the dark bars, otherwise quite sim- 

 ilar to the t^-pe form. Expands about 2.30. Habitat, Colorado, Mon- 

 tana, and British America. 



25. PARNASSIUS NOMION Fiscn. 



Alaskian Mountain Butterfly. 

 Differs from P. clodius in having the marginal dusky band on the 

 wings interrupted by a marginal band of white spots as in P. smintheus, 

 but the second inner band between the outer and the central cell is want- 

 ing, being represented by two dark spots, the upper of which contains a 



