bo 



Ilincl wings clear vussct-ash, paler Ihan llu' tore wiiiirs, l»ul dusky alonif llic 

 inner edge, witli llirce short, wavy lines, one at tlie inner angle, the other two 

 approximate and nearer the middle of the inner edge. A pale line along the 

 middle of tin- ahdonicn, interrupted by black dots; a similar stripe rims along 

 each side. 



Length of i)ody, ().42 ; fore wing, 0.54 ; e.xpanse of wings, 1.12 inches. 



California (Edwards); San Mateo, Cal. (A. Agassiz, Mus. Cump. Zoul ) ; 

 Sanzalito, Cal., February 11, March 21, April 7-17 (Behrens). 



This seems to be a common species. It may be known l)y its large 

 size, the peculiar color, liki' old unj)ainte(l oak-wood, witii light shishes, and a 

 distinct marginal line. I confess 1 ini.stook it i()r a Chesias. On sending a 

 specimen to M. Gucnee, he informs me that it is his E. suhcqjicata. Profes-sor 

 Zeller has also determined it to be that species from specimens I sent him 



EupiTiiECiA CRETACEATA Packard. Plate 8, fig. 15. 



Larcnlia cniaaata V:w\i., S-ixtli Kip. Peab. Acail. Sc, 10, 1S71 ; Proo. Ho.st. S. N. II., xvi, pi. 1, fig. 3, 1-74. 



3 c? and 3 9. — Fore wings very long, pointed. Hind wings more 

 rounded than in E. zygademaia, chalky white throughout, with numerous 

 partially ob.solete, wavy, ashen lines on the middle of the wing, but distincit on 

 the costa; an oblique row of dark dots just beyond the middleof the wing, the 

 row following a straight course. Hind wings marked as on anterior pair, 

 with numerous ashen, obscure, parallel, wavy lines. Beneath whitish, shin- 

 ing with a smoky tinge, especially on the i()re wings, with numerous wavy 

 ashen lines. Discal dots small, but distinct; a narrow, interrupted, black line 

 along the edge; fringe whitish, dirty-white e.xternally. Fore legs dusky- 

 whitish. Hind legs whitish, broadly ringed with dusky-ash. 



Length of body, c?, 0.45, 9, 0.43; li)re wings, c?, 0.60, 9, 0.60-0.68; 

 expanse of wings, 1.15-1.25 inches. 



Sides of Mount Washington, New Hampshire, July 7 (Sanborn, Mus. 

 Bost. Soc. Nat. Hist.) ; Sierra Nevada (Edwards). 



This is the largest species of the genus, and may be recognized by its 

 large size, the chalky-white color, and the heavy, dark, conspicuous costal 

 spots. It is allied in structure and venation to E. zygadeniata, but differs in 

 the much shorter palpi. 



The Californian s])ecimens have longer, more acute fore wings than those 

 from New Ham))shire. 



