SOME UNDESCRIBED RHOPALOCERA FROM SIAM. 171 



marginal area. Enclosed in the band are ocelli in areas 2 (the 

 largest), 3 and 4 (minute), and 5 and 6 (larger), those in 2 to 5 

 in line, that in 6 inward. There is an additional wavy antemarginal 

 line, removed some 3 mm. from apex at costa, bu'; closely approximat- 

 ing to the marginal lines in area lb, and^the area between this wavy 

 antemarginal line and the margin has a slight ochreous tinge. 

 Hindiving. — The lighter marginal band darker grey than on fore- 

 wing, conforming more to the shape of the margin, darkest posteri- 

 orly, and enclosing seven ocelli, i. e., two in area 16, one each in 

 areas 2 to 6. Of these, that in area 2 is the largest, those at either 

 end the smallest, the remainder sub equal, and all are arranged in an 

 even curve except for that in 3, which is set slightly inwards. An- 

 temarginal band as in forewing, most widely separated from margin 

 in areas lb and 5, the area beyond tinged with ochreous. 



9. Upperside, both wings. — Like the male, but larger and 

 lighter in colour, the underside markings more conspicuous above. 

 Forewing. — The subapical white bar is present on upperside, diffuse, 

 extending from costa into area 3, about 2.5 mm. broad, straight, the 

 ocellus in area 2 present above. Margin lighter. Hindiving. — 

 Margin pale ochreous, except towards anal angle. 



Underside, both wings. — Exactly like the male but paler. 



In both sexes the body, thorax and head, above and below, 

 conform to the colouration of the base of the wings. Antennae 

 slightly orange below towards the tip. 



Length of forewing. — 6 22 mm ; 2 24.5 mm. 



B. M. Type No. Rh. 117, 6 ; 118, 9, Me Song forest, Prae, N. 

 Siam, April 1918. 



In addition to the Types, nine males and three females were 

 obtained in the same locality in April 1918 and three females in 

 April 1916. 



4. Ragadia, critias, sp. nov. 

 (Hate IV, fig. 4.) 



c?. Upperside, both wings. — Very dark brown, almost black, 

 basally paler, the markings of the underside showing through. 

 Forewing. — A creamy white transverse oblique discal band from 



VOL. IV, NO. 3, 1921. 



