366 THE LEPIDOPTERA OF CEYLON. 



liindwing oclireous-wliite, semihyallne, slightly opalescent, with a pale ochreous- 

 brown slender marginal border ; cilia white, with a brown inner line. Body, palpi, 

 and legs ochreous-l)rown ; sides of collar, tegulaj, and base of abdomen with a cluster 

 of black speckles ; forelegs above dark-brown, with white bands ; middle and hind- 

 legs whitish speckled ; a brown band on middle tibias, and whitish bands on the 

 tarsi. 



Expanse 2 IfV inch. 



Larva thick ; with sixteen legs ; purplish-grey ; wiih a few short fine hairs ; 

 segments spotted with l:)lack and with a lateral row of red spots ; head and a 

 dorsal patch on second segment black. Pupa dark purple-brown, enclosed within an 

 elongated slight silken cocoon attached to the stem of food plant. 



" Larva feeds within the branchlets of mahogany." (Thwaiies.) 



Genus MELLA. 

 JEtiella* Zeller, Isis, 1846, p. 755. 



Ilella, Walker, Catal. Lep. Het. B. M. xix. p. 1017 (1859). 

 Assara, Walker, i'rf. xxvii. p. 79 (1863). 

 Modiana, Walker, id. xxvii. p. 82 ^1863). 

 Alata, Walker, id. xxvii. p. 108 (1863). 

 Amelia, Walker, id. xxvii. p. 201 (18G3). 



Fcrewiug long, narrow; with a transverse antemedial curved-row of raised 

 scales ; cell two-thirds the length ; first subcostal emitted at one-third before end of 

 the cell, second close to the end, third bifid ; discocellular bent close to each end, 

 concave in the middle, radials from the angles ; middle median close to end of the 

 cell, lower at one-seventh; submedian nearly straight: hindwing ample ; cell two- 

 fifths the length ; two subcostals emitted at some distance beyond end of the cell, 

 both joined to the costal at their base ; discocellular very slender, obliquely concave, 

 radial and upper median on a footstalk at half beyond the cell, middle median from 

 end of the cell, lower at oue-third ; median vein from the base to lower branch 

 posteriorly fringed in the male ; submedian and two internal veins straight. Body 

 rather stout ; head prominent, conical in front ; palpi porrect, very long, smooth, 

 third joint fusiform, one-fourth length of the second ; antennae in male thick, 

 flattened, pubescent in front, basal joint tumid and with two long plumose tufts at 

 the tip on each side of the base of the shaft ; antennas simple in female ; legs rather 

 stout, middle and hind tibice laxly squamous on the outer edge, spurs slender, 

 unequal 



Tyije, M. Zinckenella. 



* Thi.s name having been fouuJeil upon one of the synonyms of the typical species cannot therefore 

 be used. 



