57 



irrorated with black and a few ochreous-w^hitish scales, extending 

 on inner margin from I to |, narrowed upwards, upper side flat, 

 not reaching half across wing ; three or four brownish dots on 

 posterior half of costa : cilia whitish-ochreous, on costa barred 

 with brown-red, on hindmargin with terminal half barred with 

 brown-reddish, at anal angle with a brown-red basal spot irrorated 

 with black. Hindwings fuscous-grey, more or less sufiused with 

 pale whitish-ochreous anteriorly ; cilia ochreous w^hitish, with two 

 cloudy pale fuscous lines. 



Brisbane, Queensland ; Sydney and Cooma (3,000 feet), New 

 South Wales; Adelaide, South Australia; Fremantle, West 

 Australia ; in December and January, not uncommon. Larva 

 16-legged, stout, cylindrical, with scattered pale hairs ; pale 

 greyish-ochreous ; spots moderate, dark fuscous ; subdorsal strong, 

 fuscous ; sides irregularly marked with light pinkish ; head 

 irregularly spotted with dark ochreous-brown ; second segment 

 grey- whitish, with a sutfused ochreous-brown transverse median 

 band spotted with dark fuscous; anal segment speckled with 

 black : feeds on Angophora lanceolata, residing in a chamber of 

 silk beneath the bark, in October. 



14. Xylorycta, n. g. 



Head with loosely appressed hairs ; ocelli absent ; tongue well 

 developed. Antennae moderate, in male filiform or subserrate, 

 strongly ciliated (lJ-2), basal joint moderate, without pecten. 

 Labial palpi long, recurved, second joint with appressed scales, 

 terminal joint nearly as long as second, smooth, acute. Maxillary 

 palpi very short. Thorax smooth. Abdomen moderate. Pos- 

 terior tibiie rough-haired above and beneath. Forewings with 

 vein 1 long-furcate towards base, 2 from |-J, 3 from angle, 7 and 

 8 stalked, 7 to hindmargin, 11 from middle. Hindwings over 1, 

 oblong-ovate, towards base below median and tow^ards inner 

 margin densely clothed with long hairs, \h shortly furcate at 

 base, 3 and 4 from a point or short-stalked, 5 tolerably parallel, 6 

 and 7 from a point or short-stalked, 8 connected Avith cell at a 

 point towards base. 



This genus and the following are closely related, differing essen- 

 tially only by the antennal ciliations ; they are distinct enough 

 at present, but might hereafter be united by the discovery of 

 connecting forms. I think Xylorycta may be regarded as the 

 immediate parent of Cryptoijliaga, which is distinguished from it 

 mainly by the pectinated antennae. The larval habits are similar. 



In this and the three following genera great care must be 



.taken not to confuse together the various unicolorous white 



species, and the structural differences must be accurately observed ; 



