422 



the discal dot, being a transverse shade on the hind wings, while the specimen 

 is deeper pearl-ash than the others, being in a better state of preservation. 



The species may be known by the uniform pearl-usii color, and the 

 want of the usual speckles and dentate lines, and by the short slender tibiae 

 and remarkably long tarsi. Our specimen agrees well with Iliibner's figure. 



Tkpiirosia californiaria Packard. Plate 11, fig. 15. 



Ti-phrosia californiaria Puck., Proc. Bost. Soc. N.it. Hist., xiii, :i88, 1871. 



3 i . — This species Ixilonjrs to tlie same group as T. cwtadaria, but tlie 

 wings, fore and hind, are shorter and broader; otherwise the head, antennue, 

 and form of the body are the same. Reddish ash, fore wings a little deeper 

 reddish, thickly speckled with dark scales, with three diffuse, dusky, indistinct, 

 brown lines; the basal, on the inner fourth of the wing, curved, angulated on 

 the submedian vein, and sinuate just below the median vein; the middle line 

 is situated just beyond the discal dot, and is slightly oblique, sinuate, and 

 connected with a large dusky cloud inclosing the discal dot, and sending a 

 diffuse line to tlie costa and internal margin of tlie wing. Half-way between 

 the discal dot and the outer edge of the wing is a broad scalloped fine 

 deepening in tint toward the points of the scallops; a lai'ger scallop than the 

 others rests on the inner edge of the wing; just below the middle of the 

 wing are two large twin scallops and two larger than the others near the 

 apex, tliere being eight scallops in all. A row of black dots along the edges 

 of both wings; fringe concolorous with both wings. Discal dot on {brewings 

 minute, black, surrounded by a white round spot. On the liind wings, three 

 faint diffuse lines start from the inner edge, disappearing in the middle of 

 the wing. 'Beneath clear i)ale ash; discal dots distinct, costal and outer edge 

 speckled with black scales. Varies in size rtnd distinctness of median cloud 

 on fore wings, and of the short lines on hind wings. 



Length of body, 0.50; fore wing, 0.57-0.64; expanse of wings, 1..30 

 inches. 



California (Behrens) ; Southern Nevada (Crotch, Mus. Comp. ZooL). 



It varies a good deal in tiie distinctness of the bands, and may be recog- 

 nized by the white discal spot pupiled with black, and the interrupted heavy 

 sul)marginal n)w oi' spots. 



