222 [April 



Virginia, Wilmington, Trenton, Schooley's Mt., (N. J ), New York. 

 .Massachusetts, Maine, Canada, Brazil (In my collection.) 



I am certain that the Brazilian specimen is authentic ; it differs 

 somewhat from our types, yet having but one, I deemed it more advi- 

 sable to place it, temporarily, under this species, until I could receive 

 more specimens, and then definitely ascertain its position. 



Description of a new species of CITHERONIA. and Remarks on 

 ANISOTA RUBICUNDA. 



{Communicated March \3th, 1865.) 



BY AUG. R. OROTE, & COLEMAN T. ROBINSON. 



Genus CITHERONIA. Hiibner. 

 Citheronia sepulcralis, Grote and Eobinson. 



Anterior wings of a deep rich purplish brown, almost concolorous, 

 veins narrowly marked with dull reddish ; a small rounded fawu-colored 

 spot at extreme base, situate midway between the costa and internal 

 margin ; an ill-defined dark discal spot on the cross-vein which closes 

 the cell, the vein covered with dark reddish scales which show as the 

 •tenter of the discal spot ; an oblique, dark, regularly waved subterminal 

 shade band preceded at costa by some pale markings; terminal space 

 very slightly silky and more purplish than the rest of the wing. Pos- 

 terior wings dull-brownish, veins marked with pale-reddish ; base of 

 the wins covered with dark flesh-colored and reddish hairs, the former 

 shade spreading on some of the hairs which clothe the lateral thoracic 

 parts. Under surface of wings resembling upper but paler ; on the 

 posterior wings the discal spot is quite distinct, pale reddish ; these are 

 also crossed by a dark median shade band. 



Head, thorax, abdomen and legs dull brown, immaculate, concolor- 

 ous, somewhat darker than the ground color of posterior wings ; % 

 antennae similar in construction and coloration to those of C. regalia % . 

 % . Ex. 3.10 inches. Length of body. 1.30 inch. 



Habitat. — Andover, Massachusetts. 



Collection of James (). Treat, Esq. 



The thorax is more elevated anteriorly than in Citheronia regafis 

 Fabr. sp., otherwise the differences are merely those of coloration, which, 

 while strikingly dissimilar, presents the same pattern of ornamentation 

 with specific modifications; the subterminal band of the upper surface 

 of the anterior wings is in Citheronia regalis macular and interrupted, 

 while the shade band and discal spot on the under surface of the pos- 



