384 Lepidopterological Contributions. 



more orange, than elsewhere. Beneath, yellowish, paler than 

 upper surface ; the median band is here more distinct, continued 

 and orange-colored, while the extra cliscal shade forms a large 

 orange-colored spot. 



Body, orange. Thorax with lateral yellow stripes, which meet 

 in front over the prothoracic parts. Abdomen, orange, with yel- 

 low bands on the segments anteriorly ; beneath, yellow, with two 

 central rows of orange spots and lateral stigmatal series of simi- 

 larly colored spots ; above, the anal segment is entirely orange- 

 colored. Antennae, short, impectinate. Legs, orange-colored. 



Expanse, 2 ? 5. SO inch. Length of body, 2.00 inches. 



Habitat.— Mexico. (Mr. W. II. Edwards.) " No. 1." 



The differences between this species and the United States 

 C. regalis, are as follows ; the comparison will bring out the 

 habitual ornamentation of the genus in detail. The general 

 color is more purely orange and less red, especially on the 

 upper abdominal surface and that of the secondaries. These 

 latter are also paler and duller, more distinctly banded, and 

 the yellow patches on the costa and internal margin, which cha- 

 racterize C. regalis, are less distinctly limited, being replaced 

 by what is merely a diffuse paler shade in C. mexicana. The 

 basal blotches on the primaries are present as usual, as is also 

 the discal patch. The sub-terminal band is very similar to 

 that in C. regalis, but the spots are darker, being edged and 

 shaded with reddish-orange scales. The distinct terminal band 

 is a prominent character of this species ; it is indicated in C. 

 regalis, by a few very sparse, narrowly arranged, and, at first, 

 hardly discernible orange scales, situate at below the medio- 

 central interspace. But the narrowly striped veins are the 

 quick distinguishing feature of C. mexicana ; these, in its 

 Northern ally, are quite broadly and conspicuously striped, the 

 bright red scales extending laterally into the interspaces. 

 From Cramer's figure of $ Phal. Laocoon, the present species 

 differs by its dark yellowish secondaries, which, in Cramer's 

 figure, are blackish and concolorous with the primaries, want- 



