ADDENDA AND CORRIGENDA. 521 



Page i:i8. 



*-372o a. Acronycta tonitra. (Plate CXLVIII. fig. 31.) 

 Acronycta tonitra, Smith, J. N. Y. Eiit. Soc. xvi. p. 83 (1908). 



Head, thorax, and abdomen smoky grey-browii ; gulie wliite ; 

 pectus whitish ; legs more or k>s.s smoky grey-brown. Fore wing 

 smoky grey-browii ; antemedial line very indistinct, with an oblicjue 

 shade from costa, oblique, slightly angled inwards below the cell 

 where there are traces of a black streak from it to base, sometimes 

 defined on outer side by a few white scales; orbicular defined by 

 black, small, elliptical : reniform small, elliptical, more or Icfs 

 obscured by tbe dark medial sbade which extends from costa to 

 reniform and is rarely traceable below the cell ; postmedial lino 

 black defined on inner side by white suffusion, strongly dentate, 

 excurved from costa to vein 4, then incurved, with short black 

 streaks beyond it at discal and submedian folds, the latter extending 

 to just before the line; cilia chequered grey and fuscous, white at tips. 

 Hind wing whitish, the terminal area slightly tinged with brown ; 

 the underside -with fuscous discoidal spot and postmedial line. 



Bnh. U.S.A., Missouri, St. Louis. Exp. 35-41 millira. This 

 species is unknown to me ; figured from a drawing from tvpe in 

 Coll. J. B. Smith. 



Page 196. 



3802 rt. Delta plioenicraspis, n. sp. (Plate CXLVIII. fig. 1.) 



5 . Head and thorax ochreous white mostly suftused with 

 crimson ; teguloe pale at base ; patagia pale at outer side and 

 Avith dark streak near upper edge ; legs with dark streaks, the spurs 

 banded with black ; abdomen ochreous white tinged with crimson 

 except at base. Pore wing ochreous, the costal area sufi'uscd with 

 crimson to near apex, the medial part of inner margin tiniied with 

 crimson ; a fine black streak in basal half of submedian fold followed 

 by two slight oblique streaks ])elow vein 2 ; the veins streaked 

 with black and defined by white except ou costal area ; antemedial 

 line represented by an elongate tooth above inner margin with a 

 wedge-shaped black mark before it ; orbicular small with black 

 centre and white annulus, its outer edge produced to an acute 

 angle; reniform whitish with its centre defined by black, a narroAv 

 bar with its lower extremity produced to a hook, the cell before and 

 between them black- brown; a chocolate-brown patch beyond lower 

 angle of cell ; postmedial line obsolescent, bent outwards below 

 costa, oblique and reduced to points on the veins below vein -1, 

 some white points beyond it on costa ; subterminal line white, 

 dentate to termen towards apex and on veins 4, 3, then running 

 inwards as a curved streak to below end of cell, the area beyond it 

 black-brown to vein 2 ; cilia ochreous sufltused with red-brown and 

 blackish except towards tornus and intersected by pale streaks on 

 the veins. Hind wing ochreous white, the veins and terminal area 

 suffused with brown ; cilia ochreous white tinged with reddish towards 



