40 THE LEPIDOPTEBA OF CEYLON. 



interior angle : liindwings brownish towards tlie exterior border ; fringe testaceous. 

 Abdomen, liindwings and underside cinereous ; palpi vertical, third joint elongate- 

 conical, less than half length of second. 



"Expanse 12 lines." 



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



LITHOPHANE INCHOANS. 



XyJina inchoans. Walker, Catal. Lep. Het. B. M. xxxiii. p. 751 (1865). 



" Female. \Yhitish-cinereous : forewings slightly and minutely speckled with 

 black ; the interior and exterior lines blackish, denticulated, the former incomplete, 

 the latter bent outward in the middle ; submarginal Une brown, denticulated, very 

 diffuse; marginal dots brown; orbicular and reniform marks almost obsolete; a 

 large white discal spot; underside with a tuft of long blackish hairs, which are pale 

 towards the base : hindwings whitish, semi-hyaline, brownish towards the exterior 

 border. Body slightly shaded with pale brown; palpi almost vertical, third joint 

 linear, conical at the tip, almost as long as the second; autennte stout, with minute 

 tufts of hairs ; abdomen extending a little beyond hindwings ; tibise and tarsi brown, 

 the joints of latter with white tips. Expanse 13 lines." 



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



Family H.SMEROSIIDiE. 



Imago with rather short and broad wings ; deeply ciHated. Larva cylindrical ; 

 head small ; feeds on low plants. 



Genus ARIOLA. 

 Ariola, W.alker, Catal. Lep. Het. B. M. xii. p. 768 (1857). 

 Wings small : foi'ewing short, narrow, elliptic ; costa much arched at the base, 

 exterior margin convex, slightly obhque, posterior margin convex towards the base ; 

 cell disposed along middle of the wing, extending two-thirds its length ; first sub- 

 costal emitte'd at one-half before end of the cell, second at one-fourth, bifid, fourth 

 from end of the cell, bifid, the fourth anastomosed to the third for some distance 

 from near its base at a short distance above the fifth ; discocellular outwardly 

 oblique, slightly bent near lower end, radials from upper end and lower angle; 

 middle median from angle close below end of the cell, lower at one-fourth before the 

 end ; submedian straight : hindwing short, apex and exterior margin very convex ; 

 cell broad, extending to half length of the wing, lower end very acute ; two subcostals 

 from end of the cell : discocellular oblique, concave, lower end prolonged, radial from 

 the extreme lower end ; two upper medians on a footstalk beyond end of the cell, 



