50 Messrs. J. J. Joicey and G. Talbot on new 
Brown or buffy brown throughout above, buffy whitish 
below, the tips of the belly-hairs a clearer buffy than in 
umbrosus. Hands and feet more or less cinnamon-brown, 
only becoming blackish on the digits. ‘Tail dull brownish, 
commonly darkening to black at tip. 
Zululand (Dahl, and Rudd Ezploration). Natal, fide 
W. L. Sclater and others. 
Readily distinguishable by its general brownish colour. 
IV.—New Heterocera from Dutch New Guinea. By J. J. 
Joicey, F.L.S., F.Z.S., F.E.S., and G. Tarzor, F.E.S. 
[Plates I.-IV.] 
Tue species described in the present paper were collected 
by Messrs. A., C., and F, Pratt in the region of the Arfak 
and Wandammen Mountains in 1914. 
The types are in the collection of Joicey. 
Our thanks are due to Sir G. F. Hampson, of the British 
Museum, to Lord Rothschild, and to Mr. G. T. Bethune- 
Baker, for help kindly given in comparing specimens. 
Further, Mr. L. B. Prout has examined all the Geometridz 
and given us the benefit of his unrivalled knowledge of this 
family, 
Arctiide. 
Diacrisia ochrifrons, sp. n. 
(Pi. d. fig 52.) 
Allied to dinawa, B. Bkr.*, but easily distinguished by 
the frons being black at the sides. 
2. Upperside.—Fore wing with pale ochraceous ground- 
colour with markings somewhat as in dinawa; the basal 
costal stripe extended below cell to inner margin, the suffu- 
sion being paler below 14; the discal band narrower than 
in dinawa, especially at the costa, the spot below vein 3 not 
joined to the one at the base of cellule 2, and spot below 
vein 1a not touching inner margin; the upper part of 
post-discal band not running from apex as in dinawa, but 
from the costa, where it is 5 mm. broad, and curving out- 
wards below vein 6 forms a large tooth-shaped patch ; the 
* Diacrisia dinawa, Bethune-Baker, Noy. Zool. xi. p. 418, pl. iv. 
fig. 25 (1904) (Dinawa, Brit. N. Guinea). 
