Genus Phyciodes 



distinct. The markings on the under side are also much heavier 

 than in P. batesi or P. pratensis. 



? . The female is like the male, but all the dark markings are 

 heavier and the pale markings lighter. Expanse, $, 1.35 inch; 

 ? , i. 60 inch. 



Early Stages. These remain to be described. 



Phyciodes orseis ranges from Washington Territory in the 

 north to Mexico in the south. 



(9) Phyciodes camillus, Edwards, Plate XVII, Fig. 32, $ ; 

 Fig. 33, ? ; Fig. 34, $ , under side (The Camillus Crescent). 



Butterfly, $ . The male is more like P. pratensis, but the 

 light spots on the primaries are paler, on the secondaries brighter, 

 fulvous. The dark markings on the under side are less pro- 

 nounced than in pratensis. 



?. The female is much like the male. Expanse, 5, 1.30 

 inch ; ? , 1.50 inch. 



Early Stages. These are wholly unknown. 



The species is reported from British Columbia, Colorado, Mon- 

 tana, Kansas, and Texas. 



(10) Phyciodes mylitta, Edwards, Plate XVII, Fig. 40, $, 

 underside; Fig. 41, $ (The Mylitta Crescent). 



Butterfly, $, . Broadly bright fulvous on the upper side, 

 with the dark markings slight; on the under side closely resem- 

 bling P. tbaros, var. marcia, Edwards. 



? . The female is like the male, but paler. Expanse, $ , 1.15 

 inch; ?, 1.25-1.50 inch. 



Early Stages. These have been described by Mr. Harrison G. 

 Dyar in the "Canadian Entomologist," vol. xxiii, p. 203. The 

 eggs are laid in clusters upon the thistle (Carduus). The cater- 

 pillar in its final stage after the fourth moult is black, yellowish 

 below, with a faint twinned yellow dorsal line and faint lines of 

 the same color on the sides. The spines, which are arranged in 

 six rows, are black; those of segments four, five, and six, yellow. 

 The chrysalis is dull wood-brown. 



This species has a wide range in the region of the Rocky 

 Mountains, extending from Washington to Arizona, and eastward 

 to Colorado. 



(n) Phyciodes barnesi, Skinner, Plate XVIII, Fig. 5, <5 

 (Barnes' Crescent-spot). 



Butterfly, $ . Very like the following species, with the light 



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