234 LEPIDOPTERA OF NORTH AMERICA. 



2. G. laricis Fitch. (Planosa Fitch lands.) Figured in Fitch's Second 



Report. 



Male. Head densely clothed with white hairs in front, blackish 

 ones about the eyes. Palpi minutely concealed by fine long hairs. 

 Antennas short, abruptly bent near the middle, pectinated to the 

 bend, and then shorter to the end. Thorax clothed with long 

 hairs of dark gray ; an oblong crest of glossy scales on the poste- 

 rior part. Tongue short, not coiled. Abdomen with blackish 

 hairs above, whitish beneath, the end with a dense pure white tuft. 

 Wings semitransparent, thickly covered with brown scales, which 

 are denuded ; veins robust and white, with darker irregular bands ; 

 unemarginate. Legs densely covered with long white tufts ; for- 

 ward shanks have a tuft of blackish hairs. 



Female. Much larger, and differently colored. Wings thin, 

 translucent; hind edge with a slender white band; before this 

 there is a narrow pale dusky band abruptly widened near its mid- 

 dle to double its width ; this band is margined on its anterior side 

 by a white line, by which it is separated from a much broader and 

 more dusky band which is waved in its middle ; forward of this 

 the wings are milk-white, crossed by four very faint equidistant 

 wavy bands of the same delicate pale dusky hue with those behind. 

 Hind wings of the same dusky tint as the bands of the fore wings, 

 but paler ; a white line on their hind margin. Body white, with 

 a tuft of pale brown at the apex. Thorax crested blackish. An- 

 tennas shorter than those of the male. Expands an inch and a 

 half. 



New York. 



Fitch. 



3. G. velleda Stoll. Figured in Smith & Abbot, p. 103, pi. 51. 



Body thick and woolly, white, variegated or clouded with blue- 

 gray. On the fore wings are two broad dark-gray bands inter- 

 vening between three narrow wavy white bands, the latter being 

 marked with an irregular gray line ; the veins are white, promi- 

 nent, and very distinct ; the hind wings are gray, with a white 

 hind border on which are two interrupted gray lines, and across 

 the middle there is a broad faint whitish band ; on the top of the 

 thorax is an oblong blackish spot, widening behind, and consisting 



