AEGYKOSTROTIS. 153 



7937. Argyrostrotis pacalis. (Plate CCXXIV. fig. 32.) 



Toaphila pacalis, Wlk. xiv. 1475 (1858); Smith, Cat. Noct. N. Am 

 p. 359. • 



Poaphila irrorata, Grote, Bull. Geol. Surv. Terr. iv. p. 185 (1878). 



S . Head and thorax pale grey irrorated with black ; palpi and 

 frons browner ; fore and mid legs suffused with fuscous in front ; 

 abdomen grey-white irrorated with brown, ventrally tinged with 

 brown. Fore wing pale grey iiTorated with black-brown, the costal 

 edge white ; antemedial line whitish defined on outer side by black, 

 slightly sinuous ; t^\^o small black discoidal spots ; postmedial line 

 whitish, slightly defined on inner side by blackish, on outer side by 

 black marks above and below vein 5 and at submedian fold, excurved 

 below costa and oblique below vein 4 ; a subterminal series of small 

 black spots and a terminal series of black points. Hind wing grey- 

 white thickly irrorated with brown ; a slight dark terminal line ; 

 the underside with slight dark discoidal spot and terminal series of 

 black striae. 



$ . Fore wing more thickly irrorated with black-brown, the lines 

 whiter and not defined by blackish. 



Hah. U.S.A., Florida {DouUeday), 1 J type, 1 $ type irrorata, 

 Grote Coll. Kxjp. 36 millim. 



7988. Argyrostrotis diffimdens. (Plate CCXXVI. fig. 1.) 



Mods diffimdens, Wlk. xiv. 1491 (1858). 



S . Head, thorax, and abdomen grey-brown ; palpi, fore and 

 mid legs fuscous brown. Fore wing grey tinged with brown and 

 irrorated with black-brown ; an indistinct sinuous curved ante- 

 medial line ; a small black discoidal spot ; postmedial line indis- 

 tinct, brown, excurved below costa, then obliquely incurved and 

 slightly waved, with short black streaks beyond it above and below 

 vein 5, a black spot on its outer side at inner margin ; an oblique 

 blackish shade from apex; a series of black points just before 

 termen. Hind wing grey suffused with brown ; a slight dark 

 terminal line ; the underside grey thickly irrorated with brown, a 

 small blackish discoidal spot, indistinct curved postmedial line, and 

 terminal series of small black spots. 



Hah. U.S.A., 1 6 , Grote Coll. ; Hab. igk.," 1 c? type. . Exp. 

 40 millim. 



7939. Argyrostrotis herbicola. (Plate CCXXVI. fig. 2.) 



PoaiMla herhicnla, Guen. Noct. iii. p. 301 (1852); Smith, Cat. Noct. 

 N. Am. p. 359. 



S . Head, thorax, and abdomen grey suffused with brown ; palpi 

 and frons brown, the latter with a white bar above ; legs brown, the 

 tarsi ringed with white. Fore wing with the basal area grey 



