NYMPIIALID^. SATYRIN.^. LETIIE. 157 



L. rohria is very similar in colouration to Z. vertna, but differs in some points, and con- 

 spicuously in the outline of the wings (see L. vennd). Next to Z. ciiropa it has the widest range 

 of all the species of Lethe occurring within Indian limits. 



Zey to the Indian species of Letlie. 



Third group. 

 B. Males without sexual glands and tufts on either wing. 



b. The apex of the cell in the hindwing beyond the origin of the second median nervule. 



a*. Male and female, upperside, fore wing with a conspicuous almost straight broad white 

 band across the disc ; underside, hindwing with the ocelli not disintegrated. 

 a^. Upperside, forewing without an apical white spot. Underside, hindwing 

 with two narrow transverse sinuous silvery-lilac lines across the disc. 



146. \^. (Tansiniaj'^ \-£.v.tAK, N.-W. Himalayas to Assam. 



b^. Upperside, forewing with an apical white spot. Underside, hiudwing with 

 no silvery-lilac lines across the disc. 



147. L. (Tansima) masoni, Sikkim. 



b*. Underside with four very irregular more or less interrupted silvery lines across the 

 basal area of the hindwing. 



a'K Underside of forewing with silvery-lilac markings ; the ocelli of hindwing 

 perfect. 



a'*. Underside of forewing unmarked, except by an incomplete 

 silvery submarginal line near apex, and three minute dots 

 within it ; underside of hiudwing with the second and third 

 ocelli out ol line. 



148. L. SIDERIA, Sikkim. 



b*. Underside of forewing with a lilac bar (often obsolete) across 

 the cell defined on both sides with darker brown ; a dark 

 brown transverse line beyond the cell, edged outwardly near 

 costa with lilac, and another shorter one beyond defined 

 with lilac-white above the ocelli ; three or four minute 

 ocelli on a paler ground ; underside of hindwing with all 

 the ocelli in line. 



149. L. siDONis, Himalay.is, Assam, Khasi Hills. 

 A'. Underside of forewing with ochreous markings. 



a^. Underside with the ocelli of the hindwing with the irides 



blurred and indistinct, the black centre generally obsolete. 



Forewing with an ochreous bar across the cell. 

 150 L. MAITRYA, Himalayas. 

 b". Underside, with the ocelli of the hindwing perfect, the black 



centres usually conspicuous, and the irides well marked ; 



no ochreous bar across the cell. 



151. L. NICETAS, Himalayas. 



c'. Underside of forewing with pure white markings ; a pure white complete 

 submarginal line on both wings ; ocelli perfect, those of forewing with 

 white rings, of hindwing on a pure white ground. 



152. L. visRAVA, N.-E. Bengal, Sikkim. 



The species of this group differ from the typical species Z. europa and its allies, and all the 

 species preceding Z. eiircpa, notably in having the hindwing rounded, the outer margin sinuate, 

 but scarcely perceptibly dentate, and in having the apex of the cell in the hinthviug con- 

 siderably less acute, and situated well beyond the origin of the second median nervule ; 

 but this feature is not even constant in the same species ; a female specimen of Z. nicetas 

 from Kulu having the second median nervule almost exactly in prolongation of the lower 

 disco-cellular nervule, while in the males from the same locality the distance varies, and is often 



* (7^«7<J Tansima, A/o<"^. "Femalb. Wings short, broad. /'r'?r«'/«;g- with the costa much arched at the 

 base, apex rounded, exterior margin very slightly oblique and convex ; cell broad ; first and second subcostal 

 branches emitted near end of the cell, third trifid ; disco-cellulars outwardly oblique, upper bent near the 

 subcostal, concave below, lower slightly concave anteriorly ; radials emitted from their angles H indtuing 

 broadly oval, exterior margin convex ; cell broadly triangular. Palf>i long, slender, pilose beneath. Aniennis 

 slender. Le^s slender, naked." (Jtlooie, Trans. Ent. boc Lond , 1881, p 305). 



