POLIA. 71 



above inner margin ; traces of a small claviform defined by rufous ; 

 orbicular and reuiform defined by black, tbe former moderate, round, 

 often with dark point in centre, the latter large, with its centre 

 defined by fuscous and with some rufous beyoud it ; an indistinct 

 medial line oblique from costa to median nervure, then incurved ; 

 postmedial line double, minutely dentate, bent outwards below costa, 

 excurved to vein 4, then incurved ; subterminal line grey, defined 

 on inner side by somewhat dentate dark reddish-brown marks, 

 angled outwards at vein 7 and dentate at veins 4 and 3 ; a 

 terminal series of small black lunules. Hind wing reddish brown, 

 darker towards termen ; cilia white ; tiio underside whitish irro- 

 rated with brown, a dark discoidal point, punctiform postmedial 

 line, and diffused subterminal band. 



Hub. Caxada, Renfrew Co., (5 (5 , 3 5 , Alberta, Calgary ( Wolleij- 

 Dod), 1 c?, Er. Columbia, Kaslo ; U.S.A., jNT.E. and Middle States, 

 Massachusetts, Buffalo, 1 d , iSTew York (Hill), 1 2 , Utah. Exp. 

 44-58 milim. 



Larva (Original). — Head light brown, the usual darker reticu- 

 lations ill-defined but large and confluent. Body cylindrical, 

 uniform, dull brown, the markings faint and nearly obsolete. 

 Cervical shield and anal plate darker, not chitinized. Dorsal and 

 lateral darker geminate lines, and a broad pale substigmatal l)aiid 

 with darker edges, are very faintly traceable. Spiracles black. A 

 general feeder on low plants. — H. G. D. 



1224. Polia crotchi. (Plate LXXX. fig. 11.) 



Mainesfm crofchu, Grote, Bull. Brooklyn Eat. Soc. iii. )). 29 (1880); 



Smitli, Oat. Noct. N. Am. p. 116. 

 Mamestrafuscidenta, Smith, Prou. U.S. Nat. Mus. xiv. p. 213 (1891). 



Head and thorax dark brown mixed with grey; tegulse with 

 medial black line ; patagia with some black scales above ; 

 abdomen grey mixed with reddish brown, the dorsal crests large. 

 Fore wing grey suffused with brown ; a slight black streak below 

 base of cell; a subbasal black streak above inner margin ; ante- 

 medial line obsolete ; claviform defined by black, very elongate and 

 pointed at extremity, its lower edge running back towards base 

 and downcurved : orbicular and reniform large, incompletely defined 

 by black, the former elongate elliptical, open towards base or outer 

 side or both, the latter angled inwards on median nervure and 

 dilated below the cell, sometimes connected with former ; traces of 

 a minutely dentate postmedial line, bent outwards below costa, 

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

 costa ; subterminal line grey, angled outwards at vein 7 and dentate 

 on veins 4, 3, 1, defined by dentate black marks on inner side at 

 middle and by the area beyond it being darker except at apex ; 

 the veins streaked with black towards termen ; a terminal_ series^ of 

 black lunules ; cilia brown intersected with white. Hiud wing 

 fuscous brown, the interspaces of basal two-thirds paler ; cilia white 



