MORRISONIA. 373 



centres and ochreous annuli, the former large, oLlique elliptical, 

 open above ; postmedial line dentate, double at costa, bent outwards 

 below costa, excurved to vein 4i, then incurved, defined by whitish 

 on outer side below vein 2 ; subterminal line only defined by tri- 

 angular dark patches on termen between veins 7 and 4 and 3 and 

 submedian fold; a terminal series of black points; cilia dark 

 intersected by ochreous. Hind wing ochreous tinged with fuscous 

 brown, especiall}' on terminal area ; the underside white irrorated 

 with bi'own, a dark discoidal spot and curved punctiform post- 

 medial line. 



Ab. 1. Ground-colour much whiter and with slight rufous tinge. 



Hab. U.S.A. {DoahUday), 1 J type, Missouri, Texas, 2 <S , Grote 

 Coll. Exp. 38 millim. 



1679. Morrisonia bisulca. (Plate LXXXVIII. fig. 25.) 



Mamesira bisulca, Grote, Can. Ent. xiii. p. 230 (1881); Smith, Cat. Noct. 

 N. Am. p. 232. 



Head and thorax brown mixed with grey ; patagia edged with 

 blackish ; tarsi blacldsh with pale rings ; abdomen grey-brown. 

 Fore wing grey, almost entirely suffused with reddish and dark 

 brown ; the veins streaked with black ; a black fascia in submedian 

 fold from base to vein 2 ; subbasal line represented by an oblique 

 striga from costa ; the antemedial line very indistinctly defined by 

 whitish, angled outwards below costa and strongly above inner 

 margin ; orbicular and reniform small, whitish defined by black, the 

 former iregularly elliptical, a black streak between them ; post- 

 medial line almost obsolete, dentate, bent outwards below costa, 

 excurved to vein 4, then incurved, some white spots beyond it on 

 costa ; subterminal line defined by the area beyond it being dark 

 with black streaks in the interspaces, strongly angled outwards at 

 vein 7 and dentate nearly to termen at veins 4, 3 ; a terminal series 

 of small black lunules. Hind wing brown, greyish at base ; cilia 

 with the tips whitish ; the underside whitish thickly irrorated with 

 brown, a dark discoidal spot. 



Hab. U.S.A., Arizona, 1 c5' , 1 § type. Exp. 40 millim. 



Sect. II. Antennae of male serrate and fasciculate. 



A. Fore wing with the orbicular and reniform confluent evicta. 



B. Fore wing with the orbicular and reniform not confluent. 



a. Fore wing with the reniform angled inwards on median 



nervure injidelis. 



b. Fore wing with the reniform not angled inwards on median 



nervure. 



ffA. Fore wing with the ground-colour deep red-brown vitiosa. 



b^. Fore wing with the ground-colour rufous. 



a^. Fore wiug with white streak on base of subcostal 



nervure , infensa. 



b^. Fore wing without white streak on base of subcostal 



nervure rubescens. 



