252 Mr. Edward Meyrick's Description of 



scales; a dark brown dot near base in middle, and an erect mark 

 on base of dorsum ; ochrcous-brown or dark fuscous spots on costa 

 at i, before middle, and before subterminal line, two latter more 

 or less elongate ; an oblique dark brown mark on fold beneath first 

 of these, and a spot in disc before it; large subdorsal dark brown 

 tufts beneath each of costal spots ; a somewhat elongate dark brown 

 spot just beneath second costal, partially confluent with it ; stigmata 

 obscure, rather dark fuscous, discal approximated, plical obliquely 

 before first discal; a whitish subterminal line from f of costa to 

 tornus, sinuate inwards on upper half, preceded in disc by an in- 

 distinct dark fuscous dash; two or three indistinct dark fuscous 

 marginal dots round apex : cilia fuscous sprinkled with whitish, 

 towards base obscurely barred with ochreous and darker fuscous. 

 Hind-wings dark fuscous ; cilia grey, darker towards base. 



British Guiana, Mallali, in March (Parish) ; three 

 specimens. 



Agriastis nocturna, n. sp. 



(^ $. 12 mm. Head and thorax dark fuscous sprinkled with 

 light greyish-ochreous. Palpi dark fuscous irrorated with whitish- 

 ochreous, apical edge of second joint whitish edged beneath with 

 blackish suffusion, terminal joint ochreous-whitish more or less 

 sprinkled with dark fuscous. Abdomen dark fuscous. Fore-wings 

 elongate, rather narrow, costa gently arched, apex obtuse, termen 

 obliquely rounded; dark fuscous, more or less irrorated with pale 

 greyish-ochreous; markings obscure, formed by absence of pale 

 irroration; a subbasal dot in middle, and erect mark from base 

 of dorsum; an irregular transverse line at i, angulated mwards 

 beneath costa and outwards in middle; elongate spots on costa 

 before middle and before subterminal line, and an oval spot beneath 

 first of these partially confluent with it ; stigmata moderate, discal 

 approximated, plical obliquely before first discal; an obscure pale 

 greyish-ochreous subterminal line from J of costa to tornus, sinuate 

 inwards on upper portion and outwards on lower; several dark 

 marginal dots round apical part of costa and termen : cilia dark 

 fuscous irrorated with pale greyish-ochreous points. Hind-wings 

 dark fuscous; cilia grey, darker towards base. 



British Guiana, Mallali, in March (Parish) ; two 

 specimens. 



Agriastis scalata, n. sp. 



(J $. 12-14 mm. Head and thorax grey, more or less irrorated 

 with whitish. Palpi white, second joint dark fuscous except apical 



