400 NOCTTTIDjr. 



submedian fold ; olaviform modorate, defined Ly black ; orbicular 

 and renifonn larpo, pale rufous with -wbitish annuli defined by 

 black, the forini-r oblique elliptical, open above, the latter open on 

 outer side ; postmedial lino dentate, defined by white on outer 

 side, bent outwards below costa, excurved to vein 4, then oblique, 

 some bluish grey beyond it towards inner margin ; subterminal line 

 white, arising from the white apical patch, sbghtly excurved at 

 middle and with small black spots on it above veins 4 and 3 ; 

 the veins beyond the lower angle of cell streaked with black ; the 

 terminal area rod-brown except at apex ; a terminal series of black 

 and white lunules ; cilia brown intersected with white. Hind 

 wing white, with postmedial series of black points on the veins ; 

 the terminal area suffused with brown from apex to vein 2 ; some 

 terminal black lunules ; the underside with the costal area irrorated 

 with brown, a black diseoidal spot. 



Hah. Japan, Yokohama (Pr)/er), 4 d" , 5 $ , type. Bay., (S 42, 

 5 46 millim. 



1719. Xylomania alternans. (Plate LXXXIX. fig. 22.) 



Hapalia alternans, Wlk. x. 360 (1850). 



Xyloviiqes tahulata, Grote, Bull. U.S. Geol. Geog. Surv. Terr. iv. p. 181 

 (1878) ; Smith, Cat. Noct. N. Am. p. 234. 



$ . Head and thorax dark grey mixed with black and white ; 

 frons with black bar ; teguhc with black medial line ; tarsi banded 

 with black ; abdomen ochreous banded with black. Fore wing 

 dark grey ; subbasal line double, waved, from costa to submediau 

 fold ; antemedial line double, waved, oblique ; claviform with its 

 extremity defined by black ; orbicular and reniform large, defined 

 by black, the former with whitish annulus, rather quadrate and 

 open above and below ; postmedial line dentate, bent outwards 

 below costa, excurved to vein 4, then incurved ; subterminal line 

 defined on inner side by white suffusion except at costa, and with 

 blackish marks on it at discal and subraedian folds ; the veins of 

 terminal area slightly streaked with black ; a terminal series of 

 small black lunules. Hind wing whitish uniformly suffused with 

 reddish brown ; cilia whitish ; the underside white irrorated with 

 brown, a black diseoidal spot and sinuous postmedial lino with short 

 black streaks on the veins, some terminal black stria3. 



Hah. U.S.A., 1 d , 1 $ type, New York, 1 $ , Grote CoU. E.vp. 

 40 millim. 



1720. Xylomania patalis. (Plate LXXXIX. fig. 23.) 



Xylomiges patalis, Grote, Bull. Buff. See. Nat. Sci. i. p. 144, pi. iv. f. 11 



(1873); Smith, Cat. IS'oct. N. Am. p. 234. 

 Xylomiges Jidcheri, Grote, Can. Ent. xx. p. 130 (1888). 



Head and thorax bluish white mixed with fuscous brown ; frons 

 with black bar; tegulae with black medial line; patagia edged 

 with black ; abdomen grey mixed with brown. Fore wing bluish 



