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, <3, 1.35 inch; 
$, 1.60 inch. 
Early Stages .—These remain to be described. 
Phyciodes or sets ranges from Washington Territory in the 
north to Mexico in the south. 
(9) Phyciodes camillus, Edwards, Plate XVII, Fig. 32, <3 ; 
Fig. 33, ? ; Fig. 34, <3 , under side (The Camillus Crescent). 
Butterfly, <3 t—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, <3, 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, < 3 , 
underside; Fig. 41, $ (The Mylitta Crescent). 
Butterfly , <3 .■—Broadly bright fulvous on the upper side, 
with the dark markings slight; on the under side closely resem¬ 
bling P. tharos , var. marcia , Edwards. 
$ .—The female is like the male, but paler. Expanse, <3 , 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. 
(11) Phyciodes barnesi, Skinner, Plate XVIII, Fig. 5, <3 
(Barnes’ Crescent-spot). 
Butterfly , <3 .—Very like the following species, with the light 
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