154 Nocruii)^. 



series of dark Innules ; the underside whitish with some dark 

 irroration, a dark discoidal spot. 



5 . Head, thorax, and fore wing bluer grey ; hind wing tinged 

 with fuscous brown and with more or less distinct postmedial line 

 on underside. 



Hah. Canada; U.S.A., Massachusetts, New York, Pennsylvania, 

 New Jersej'', Distr. of Columbia, Georgia, Centr. States, California. 

 Exp. 42-50 millim. This species is unknown to me. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. sxi. p. 49, pi. vi. ff 12, 13. 



Head shining black. Eody dark brown, evenly clothed with short 

 dense hairs growing from the skin, black intermixed with white 

 dorsally, red-brown laterally ; no hair-pencils ; feet black. Food- 

 plant : Alder (^Alnus). — H. G. D. 



3748 . Acronycta dactylina. (Plate CXXVII. fig. 2.) 



Acrmiycfa dactylina, Grote, Proc. Bost. Soc. N. H. xvi. p. 239 (1874); 

 Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 51, pi. i. f. 3; Smith, Cat. 

 JVuct. N. Am. p. 40. 



S . Head and thorax violaceous grey mixed with dark iron-brown ; 

 sides of palpi and frons with black-brown patches ; shoulders 

 with blackish streaks ; tarsi banded with blackish ; abdomen whitish 

 suffused and irrorated with dark iron-brown. Fore wing violaceous 

 grey thickly irrorated with iron-brown ; subbasal line represented 

 by a diffused oblique brown striga from costa ; autemedial line in- 

 distinct, double, oblique, dentate, the lines rather widely separated ; 

 orbicular slightly defined by brown, small, round ; reniform a 

 diffused brown lunule with oblique brown shade above it from costa ; 

 an oblique sinuous rather diffused brown line from lower angle of 

 cell to inner margin : postmedial line double at costa, then defined 

 by whitish on inner side, dentate, strongly incurved below vein 4 

 and with an oblique black striga before it below vein 2 ; the post- 

 medial area suffused with iron-brown and with some whitish points 

 on costa ; subterminal line absent ; a terminal series of small black 

 lunules with brown spots beyond them on the cilia. Hind wing 

 white, the veins tinged with brown ; a terminal series of dark 

 striae ; the underside with the costal area slightly irrorated with 

 brown, a dark discoidal spot. 



5 . Darker, hind wing wholly suffused and irrorated -with brown, 

 the terminal area rather darker, an indistinct sinuous postmedial 

 line ; cilia white ; the underside white irrorated with brown, a 

 brown discoidal spot and minutely waved postmedial line iucursred 

 below vein 4. 



JIah. Canada, Quebec, Ottawa (Gibson), 1 c? ; U.S.A., Maine, 

 New Hampshire, Massachusetts, New York, 1 cS , 1 2 typ®^ Distr. 

 of Columbia, Minnesota, Colorado. E.vp. <S 56, $ 62 millim. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 52, pi. vii. ff. 18, 19. 



As in ^. Tiesperida, but the bands of hair less of a reddish brown, 

 more purplish. — H, G. D. . 



