POROSAGROTIS. 143 



Sect. II. Anteunje of male bipectinate witli short branches, the apical part 

 serrate. 



A. Fore wing with the costal area whitish to the postmedial 



line gypatina. 



B. Fore wing with the costal area not whitish to the postmedial 



line. 

 a. Fore wing with subterminal series of short white streaks 



on the veins defined on each side by black brachi/stria . 



h. Fore wing without subterminal series of black-defined 



white streaks "patula. 



251, Porosagrotis gypaetina. (Plate LIX. fig. 24.) 



Agrotis gi/pwfina, Guen. Noct. i. p. 290 (1852). 



Agrotis pseudoplect ra, Snell. Boll. Ac. Arg. iii. p. 96 (1879). 



Head and thorax clothed with black, dark red-brown, ochreous 

 and grey scales ; abdomen oehreous tinged with brown, the ventral 

 surface irrorated with dark brown. Fore wing black-brown, the 

 costal area ochreous white to the postmedial line including the 

 basal half of cell and median nervure, the veins on it defined by 

 slight dark streaks ; the subbasal line represented by double striae 

 from costa and median nervure filled in with ochreous ; the ante- 

 medial line double, angled outwards on subcostal nervure and 

 inwards on median nervure, obsolete below vein 1 ; claviform 

 elongate, strongly defined by black ; orbicular and reniform small, 

 with fuscous centres and pale annuli defined by black, the former 

 round or oblique, elliptical, the cell tilled in with black before and 

 between the stigmata and beyond the reniform ; the postmedial line 

 minutely dentate, defined by pale brown on outer side, slightly bent 

 outwards below costa, excurved to vein 4, then oblique : subterminal 

 line represented by a series of dentate black and ochreous marks, 

 angled outwards at vein 7 and excurved at middle ; cilia black 

 mixed with ochreous. Hind wing ochreous white tinged with 

 brown towards margins, in female suff"used with fuscous except 

 towards base, the underside with the costal area irrorated Avith 

 brown. 



Ihth. Uruguay, Colon {0. Thomas), 1 (S ; Argentina, Goya 

 {Pcrrins), 1 d, 1 $. E.vj)., c? 36, $ 44 millim. Typet cj" in 

 Mus. Paris. 



252. Porosagrotis brachystria, n. sp. (Plate LIX. fig. 25.) 



2 . Head and thorax dark brown ; pectus and legs with some 

 pale hair ; abdomen paler brown. Fore wing dark brown slightly 

 tinged with grey; a double waved subbasal line from costa to 

 submedian fold ; the aiitemedial line double, waved, more strongly 

 excurved in cell and above inner margin ; the claviform defined by 

 black ; the orbicular and reniform defined by black, the former 

 large, open above, the cell before and between the stigmata black ; 

 black streaks in discal fold and above vein 4 from the reniform to 

 the postmedial line, which is indistinct, double, dentate, excurved to 

 vein 4, then incurved ; the subterminal line represented by a series 

 of short ochreous streaks defined on each side by black in the 



