DYSGONIIDJE. 161 



line, and a curved waved inwardly-oblique postmedial line, followed by a dark brown 

 submarginal duplex line, and a marginal slender sinuous line ; a browu orbicular dot, 

 and well-defined dark-centred reniforin mark : liiudwing very pale brownish-ochreous, 

 with a broad dusky brown outer discal band, and a well-defined brown sinuous 

 marginal line. Thorax and head olivaceous ochreous-yellow, palpi and tarsi greyish- 

 brown ; abdomen very pale brownish-ochreous. 

 Expanse 2j to 2-| inches. 



Genus OPHISMA. 



Ophisma, Guenee, Noct. iii. p. 236 (1852^; Walker, Catal. Lcp. Het. B. M. xiv. p. 1367. 

 Plat'jja et Dysgonia (part), Hiibner, Verz. bek. Scbmett. p. 268-9. 



Wings broad: forewing triangular, apex acute, subfalcate, exterior margin even, 

 oblique ; cell long, slightly more than half the length ; first subcostal emitted about 

 one-third before end of the cell, second at one-eighth, trifid, third at one-fourth from 

 base of second, fourth at two-thirds from base of third, fifth from end of the cell 

 and joined by a short spur to third near its base ; discocellular inwardly oblique, 

 concave, bent at each end, radials from the angles ; middle median from angle near 

 end of the cell, lower at one-third ; submedian slightly curved ; hindwing short, apex 

 very convex, exterior margin slightly angular at end of lower median vein; cell 

 extending two-fifths the length ; two subcostals from end of the cell ; discocellular 

 concave, radial from near lower end ; two upper medians from end of cell, lower 

 from about one-fourth ; submedian and internal straight. Body stout ; palpi 

 ascending, rather stout, fusiform, laxly squamose, second joint reaching level of the 

 eyes, third joint very short, conical ; antenna3 setaceous ; legs stout, femora and tibite 

 pilose beneath ; spurs stout. 



Type, 0. gravata. 



OPHISMA CIRCUMFERENS. 

 Ophisma circumfenns, Walker, Catal. Lep. Het. B. M. xxxiii. p. 956 (1865). 



" Female. Fawn colour : forewings with brown hues ; interior and exterior 

 lines widely apart on the costa, converging from thence and united near the interior 

 border, which they do not reach ; submarginal line, straight, obhque, accompanied on 

 its inner side by a diffuse brown band ; hindwings dingy testaceous, with a broad 

 diffuse submarginal brown band, which is obsolete beneath. Abdomen and underside 

 testaceous ; third joint of palpi straight, lauceolate, about half length of the second. 



" Expanse 24 lines." 



Described by Mr. Walker from specimens in the Collection of Mr. E. L. Layard. 



VOL. III. ^ 



