^^2 [December 



yellow hairs, giving them a paler appearance than the secondaries, and 

 in certain lights a somewhat golden reflection. A single line, the 

 transverse posterior, present, whitish, arcuated, distinct; reniform spot 

 large, whitish, rounded, prominent ; terminal space paler than the rest 

 of the wing. Posterior wings black, with a median macular band cor- 

 responding to the transverse posterior line of the anterior wings, con- 

 sisting of two disconnected whitish spots; fringes whitish. Under 

 surface prominently marked : anterior wings black at base, along the 

 costa, and on terminal space except the apex which is whitish, median 

 space white, with a large black discal spot ; posterior wings with the 

 internal margin, base, a discontinued broad terminal demi-band and 

 large discal spot, black; costa and rest of the wing white. Thorax and 

 abdomen blackish, former covered with olivaceous hairs, which become 

 paler on the prothorax and underneath ; terminal abdominal segment 

 whitish, ovipositor exerted. $ . Exp. 0.65 inch. 



Habitat. — Colorado Territory. Mr. James Ridings. (Coll. Ent Soc 

 Phil.) 



CATOCALA, Ochsenheimer. 

 Catocala piatrix. Grote. 



Catocala jnatrix, Grote, Proc. Ent. Soc. Phil. Vol. 3. p. 88. PI. ,3. fig. 3. -J,. 

 % 9 . Anterior wings slightly silky, dark brownish, sparsely pow- 

 dered with greenish gray scales along the veins in the terminal space, 

 and shaded undefinedly with blackish brown in the sub-basal space, on 

 the costa above the discal space, and obliquely sub-apically in the ter- 

 minal space. Basal half-line black, with a single tooth, terminating 

 With an outward inclination. Sub-basal space brownish darker shaded 

 contiguous to transverse anterior line. Transverse anterior line o-emi- 

 nate, blackish, with the outer line indistinct, with an obsolete sub-costal 

 tooth, irregularly undulate. A paler costal shade spread obliquely from 

 the costa over the sub-reniform spot. Reniform, brownish, tino-ed with 

 black, thrice excavated externally, followed by a blackish roundedly 

 defined shade, which in some specimens obscures the external defining 

 line of the reniform spot; sub-reniform obliquely elongated, surrounded 

 by the transverse posterior line, (in a single specimen open), pale, well 

 defined. Transverse posterior line black, distinct, of equal width, with 

 prominent terminal inflections, the tooth acute, prominent, shaded with 

 black and of a nearly equal size. 



