YPTHIMA. 141 



curve, or anterior two slightly in echelon with the rest. Antennae, 

 head, thorax and abdomen brown. Male secondary sex-mark 

 generally prominent. 



Dry -season form. — <3 2 • Upperside differs only in being suffused 

 with dull plumbeous. Underside paler ; transverse fasciae more 

 distinct ; ocelli on hind wing reduced in size. 



Exp. S 2 42-46 mm. (1-65-1-88"). 



Hob. The Himalayas, Kashmir, Kulu, Simla to Kumaun ; 

 Bengal, Orissa ; Burma and Tenasserim. 



Race striata, Hainpson, differs from the typical form : on the 

 upperside the ocellus on the fore wing is always present in 

 both sexes ; on the underside the ground-colour is a purer white, 

 the striation more open, slender and delicate, the discal and sub- 

 terminal transverse fasciae darker and more clearly defined, and 

 the yellow irides to the ocelli broader. Male secondary sex-mark 

 obscure. 



Exp. c? 2 36-42 mm. (1-4-1-62"). 



Eab. The Nilgiris. A local race. 



Race singala, Felder, differs from the typical form on the upper- 

 side in being slightly darker with a purplish tinge ; in the <S 

 uniform or with a single small postdiscal ocellus on the hind 

 wing ; in the 2 with the usual preapical ocellus on the fore and 

 from two to four smaller ocelli on the hind wing. Underside : 

 ground-colour whiter than in Y. avanta ; the striae and transverse 

 dark fasciae less distinct in the wet-season, more prominent in the 

 dry-season form. Male secondary sex-mark present. 



'Exp. <$ 2 35-44 mm. (1-4-1-7"). 



Hah. Ceylon Hills. An insular form. 



Race cerealis, Watson. " This is a well-defined local race of 



Y. avanta, Moore, from a treeless district differs in its 



smaller size, in the constant presence of the ocellus on the upper- 

 side of the fore wing, in the white tone and less prominent fasciae 

 on the underside, and in the almost entire absence of androconia on 



the fore wing in the male In some ways Y. cerealis seems to 



bear the same relation to Y. avanta that Y. philomela (=.tabella) 

 does to Y. baldus." (Watson, I. c.) 



Exp. S 2 33-36 mm. (1-3-1-45"). 



Hab. Recorded from Myingyan, in the dry zone of Upper 

 Burma. 



168. Ypthima chenui, Guerin-Meneville. 



Satyrus chenu, Guerin-Meneville in Delessert, Voy. dans VInde, ii, 



1843, p. 77, pi. 21, fig. 2 : Westw. (Ypthima) in Dbleday, Westw. 



8r Heiv. Gen. Di. Lep. 1851, p. 396 ; Butl. (Ypthima) Cat. Satyr. 



Brit. Mus. 1868, p. 151. 

 Ypthima chenui, M. fy de N. Butt. hid. i, 1883, p. 228 ; Moore 



(Kolasa), Lep. Ind. ii, 1893-96, p. 83, pi. 112, figs. 3, 3 a, rf 2 • 



S 2 ' Upperside van dyke-brown. Eore wing with the usual 

 preapical, bipupilled, yellow-ringed, large ocellus, and a more 



