224 NOCTUID MOTHS 



One 9 from Penrissen has the fore wing appreciably 

 shorter and broader than the others, and is darker beneath, 

 the fore wing being without the white in cellules 15 to 5 and 

 having the costa of both wings rather more darkened. Quite 

 possibly the 9 to an, as yet, unknown o*, but as it is taken 

 at the same elevation as two more normal 9 and the 

 markings of fore wing above seem to be those of a dark grisea 

 form it has seemed liest to refer it to that species. 



One of the other two Mt. Penrissen 9 has the not- 

 uncommon V-shaped white patch on proximal half of fore 

 wing. The Mt. Murud 9 has the proximal half of fore wing 

 largely suffused with greyish-black. 



But for a long series of seinialha (typical and grisea forms) 

 and of ferrifcra in Coll. Joicey from S.W. Sumatra, which 

 are quite easily separable, ferrifera might almost be regarded 

 as a broad-bordered aberration of semiaJha. the two species 

 being exceedingly close in size, shape and pattern of fore 

 wing. 



25. IjOPHOPTera chalybea Wlkr. 



Gadirtha chalybea Wlkr., Journ. Linn. Soc, vii, p. 161, 1864, Sarawak. 



Mt. Murud, 6500 feet, November — 4 9 ; Pah Trap. Novem- 

 ber — 1 cf. 



A good species, which seems only to have been previously 

 known from the types of chalybea and polygrapha, Gadirtha 

 polygrapha Wlkr., Journ. Ijinn. Soc. vii, p. 162, 1864. 

 Sarawak. The types are, unfortunately, unknown to me, but 

 the identification seems quite a safe one. Whether polygrapha 

 sunk by Colonel Swinhoe to chalybea is really synonymous 

 seems a little more uncertain. 



26. LOPHOPTERA TRIPARTITA Swinh. 



Gyrtona tripartita Swinh., Ann. Mag. Nat. ffist. (7), ix, p. 84, 1902, 

 Perak. 



Mt. Murud ('?)— 1 9. Belonging to the Mt. Murud 

 collection but with the exact data wanting. A small 

 aberration . 



Recorded by Sir G. Hampson, in Cat. Lep. Phal., xi, 

 p. 193, from Penang, Perak and Borneo. x\lso in Coll. 

 ■Joicey from other parts of the Malay Peninsula and Java. 

 Nowhere common, generally taken singly; perhaps a good 

 deal overlooked. 



