124 MEMOIRS NATIONAL ACADEMY OF SCIENCES. vol. xh, 



almost straight to inner margin; the postmedian is oblique, extending from costa shortly before 

 apex to inner margin near anal angle, somewhat crenulate in its central portion; in the cell 

 and partially situated on the antemedian black band is an oblong semitransparent yellowish 

 dash, broadly margined with black; at the end of the cell is a similar larger lunate mark out- 

 lined in black, the outer margin most heavily; secondaries rather smoky white with postmedian 

 black band of primaries continued across their upper surface, parallel to outer margin and 

 slightly crenulate; a black discocellular spot with yellowish center. Beneath as above, except 

 that the antemedian band of primaries and the oblong clash in the cell are wanting. Expanse 

 43 mm. Described from a single <? specimen in collection Barnes, from Yavapai County, Ariz. — 



J. McDuNNOUGH.] 



[ 9 . Similar to the male, but a little larger, and with the four posterior segments of the 

 abdomen clear white, above and below, the middle segments only being narrowly edged with 

 reddish brown. The stigmata are very strongly marked, jet black. Type locality, Prescott, 

 Ariz. (Doll). — H. Edwards, 1. c] 



[Dr. Packard examined specimens from Prescott.] 



HEMILEUCA BURNSI J. H. Watson. 



Plate XXIV, figs. 1, 2; LX, figs. 7, 8; LXIII, figs. 6, 7; CXIII, fig. 3. 

 [Hemileuca burnsi Watson, Ann. Rept. and Trans. Manchester Entom. Soc, 1910, p. 31, PI. Ill] 



[Very close to H. neumoegeni, of which it might be considered a race. It is, however, distinct 

 enough for recognition. Mr. J. McDunnough has kindly compared the two species in detail, 

 as follows: 



In collection Barnes is a single male neumoegeni from Yavapai County, Ariz. (August 

 16-23), and one $ 9 burnsi from typical lot from Watson (Truckee Pass, Cal., 7,000 feet, 

 and a pair from Goldfield, Esmeralda County, Nev., September 2. 



The main points of distinction between the males are as follows: 



Antennae of neumoegeni bright red-brown as in tricolor. 



Antenna? of burnsi dark brown, much deeper than in neumoegeni. 



Abdomen of neumoegeni is covered with orange-red hair dorsally, much as in tricolor) 

 beneath white. 



Abdomen of burnsi (our specimens are somewhat rubbed) shows no trace of red hairs; the 

 hairs are whitish and not nearly so long as in neumoegeni ; there is further a lateral row of black 

 spots. 



The ground color of neumoegeni on primaries is a silvery white; besides the discal lunate 

 mark there is a further elongate mark in the cell, filled with pale yellow and partially obscured 

 by the antemedial black band which crosses it. None of our burnsi show any traces of tins 

 mark, and the ground color lacks the silvery whiteness of neumoegeni. 



Our specimen of neumoegeni has a very distinct black postmedial band; one of our 

 <? specimens [of burnsi] is without, the other o* and the two 9 9 possess this band. — 

 J. McDunnough.] 



[Mr. Watson has described some variations, as follows: 



Ab. ilmae Watson t. c, p. 32, PI. Ill, fig. 2, j . "Body and wings creamy; wings rounder 

 and more ample. Fore wings above; prediscal bands heavier even than in the female and 

 continued broadly along the costa, then narrower to base of wing. Discal spot more rounded. 

 Below, with a submarginal band of black scales as on the female, and not reflected through 

 as the typical male. Hind wings above and below, with a submarginal band as on the female; 

 the discal spot a mere punctuation. Below, a replica of the upper surface. One specimen." 

 This name is to be applied to males having the band on the hind wings as in the normal female. 



Ab. nigrovenosa Watson, t. c, p. 33J 9 • "Bands heavy, and the upper surface of the fore 

 wing and the under surfaces of both wings with black scales on the veins, from base as far as 

 the black marginal band. Costa of both wings below black; space between the marginal 

 band and the fringes white." From a female which "never stretched its wings." 



