POLIA. 183 



semihyaline white, the veins, costal area, and termen down to vein 

 2 brown ; the underside with the costal area irrorated with brown, 

 a discoidal point and some postmedial points on costal half. 



Hah. Mexico, Oaxaca, type f $ in Coll. Schaus. Exp. 32 

 millim. 



1386. Polia quadrilineata. (Plate LXXXIII. fig. 23.) 



Mamestra quadrilineata, Grote, Bull. Buff. Soc. Nat. Sci. i. p. 140, pi. 4. 

 f. 15 (1873); Smith, Cat. NocL. N. Am. p. 126. 



Head and thorax white more or less strongly mixed with dark 

 brown and black ; palpi blackish at sides ; frons with black bar ; 

 teguhe with medial black line ; patagia edged with black ; abdomen 

 whitish irrorated with fuscous. Fore wing bluish white irrorated 

 with pale brown, the medial area and the basal area also in female 

 suffused with black ; a black streak below base of cell ; subbasal 

 line double, waved, from costa to submedian fold ; antemedial line 

 double, the inner not prominent except at costa and inner margin, 

 oblique, minutely waved and slightly angled inwards below costa 

 and at vein 1 ; claviform small, defined by black ; orbicular and 

 reniform small, with brownish centres and white annuli defined by 

 black, the former round, the cell before and between them often 

 suffused with rufous ; an indistinct waved medial line oblique from 

 costa to below cell ; postmedial line dentate and produced to points 

 on the veins, bent outwards below costa and oblique below vein 4, 

 defined by white on outer side and with a more prominent patch 

 in submedian interspace, the area beyond it blackish with some 

 white points ; the veins of terminal area blackish, with a more 

 prominent fascia on vein 2 ; subterminal line indistinct, dentate, 

 slightly defined by rufous on outer side, angled outwards at vein 7 

 and excurved at middle ; cilia chequered black and white. Hind 

 wing semihyaline white, the termen tinged with brown especially 

 at apex ; a dark streak on extremity of vein 2 ; the underside with 

 brown irroration on costal area and dark discoidal point. 



Ab. 1. Head, thorax, and fore wing with the ground-colour grey- 

 green. 



Hah. U.S.A., California, 4 d" , 2 $ type, (Walsuigham) 1 $. 

 Krp. 30 millim. 



Larva. Head sordid brown, heavily dark-banded and reticulate. 

 Body sordid brown, skin pointed granular ; markings much as in 

 landahilis^ sordid, obscured, the granules marked. Spiracles black. 

 Thoracic feet brown. Setae stiff, pale, distinct. — H. G. D. 



*13S7. Polia vittula. (Plate LXXXYI. fig. 13.) 



M(nnesfra vittula, Grote, Trans. Kansas Ac. Sci. viii. p. 48 (1882) ; Smith, 

 Cat. Noct. N. Am. p. 117. 



^ . Head and tliorax grey mi.\ed with fuscous ; tegulse black at 

 tips ; abdomen pale grey. Fore wing grey suffused and irrorated 



