64 
ZYG^NID^. — PSTCHID^. 
Chalcosia pretiosa, Wlk. 
Chalcosia pretiosa, Wile. Cat. sxxi. p. 116. 
A variety occurs with the white bands on fore wing broad in both sexes, and a more or 
less complete series of small white spots across the apex. The female of this form has an 
additional white spot on the hind wing beyond the end of the cell. 
Var. albina. (Plate CLVII. fig. 5.) 
Expanse, J $ I f; inch. 
Male. This is the extreme form, the broad-banded variety, of C. pretiosa with the sub- 
apical white spots, from Avhich it differs in having a white patch below the cell of the fore 
wing, and in the whole hind wing being white, except a small basal blue patch ; and a marginal 
blue band, broad at apex and not reaching anal angle. 
Female without the white patch below the cell of the fore wing ; hind wing Avith a larger 
basal blue patch, and the marginal blue band confined to the centre and outer margin ; a 
large lunulate subapical black spot and a smaller spot below it on the blue band. 
The underside of hind wing in both sexes is pure white, except for two black spots towards 
the apex. 
PSYCHID^. 
PSYCHING. 
Lomera cana (Plate CLIX. fig. 21 & Plate CLXXVI. fig. 8.) 
Expanse ^ 1 inch. 
Male. Antennae heavily bipectinated. Head white ; thorax and abdomen pale ochreous 
brown. Fore leg with a long femoro-tibial process. Wings sparsely covered with hair-like 
greyish-fuscous scales. Fore wing with the two internal veins anastomosing, the lower giving 
off a branch towards inner margin ; the upper radial absent ; the third, fourth, and fifth sub- 
costals stalked. Hind wing with the lower subcostal absent; a bar between the subcostal 
and costal nervures. Veinlets in cell of both wings single. 
Larva-case rather smooth and covered with comminuted vegetable scales and fibres. 
BRACHYCYTTARUS, g. n. 
Male. Antennte bipectinated, with the branches long and plumose, and decreasing in 
length distally. Head small ; thorax and abdomen slender. Fore leg with a tibial process 
* This should be placed in Oil-etlcoides, Heyl. 
