new or little known Heterocera from Madagascar. 599 
costa. H.w. much paler, with faint lunule. Underside with a 
few brown spots. 
Exp. 50mm. 19. 
Euproctis castaneo-striata, n. sp. 
Head and thorax white, antennae dark, palpi and legs buff with 
darker tarsi; abdomen white. F.w. white with basal line chestnut; 
the antemedian and postmedian lines, which are broad, make a 
V-shaped mark extending from inner margin to costa; the end of 
the cell shows as a lunule in the postmedian line. 
Exp. 38 mm. 1 3. 
Euproctis griseo-striata, n. sp. 
Head, antennae, palpi, legs, and thorax grey, abdomen pale buff. 
F.w. white, basal line very faint and antemedian and postmedian 
lines fine but well marked, dark grey, between them but not entirely 
filling the space is a V-shaped grey mark as with the last species: 
beyond this is a faint subterminal line and a row of marginal dots. 
H.w. uniformly white. 
Exp. 42mm. 19. 
Imaus malgassica, n. sp. (Plate XXXII, fig. 35.) 
Head, palpi, antennae, and legs, brownish-grey: thorax grey 
with a few concealed crimson hairs: abdomen yellowish. F.w. 
pale brownish-grey with the usual transverse angulated lines all of 
a deeper tint. H.w. slightly angulated, whitish and semihyaline, 
fringes paler. 
Exp. 38mm. 1 ¢. 
Redoa sericea, n. sp. 
Head yellowish, palpi black, antennae, legs, thorax and abdomen 
white. Fw. silky white, slightly tinged with smoky colour on costa. 
H.w. silky white, fringes long, white, and on the h.w. near the body 
consisting of long hairs. 
Exp. 3 36 mm., 2 54 mm. 
Caviria roseicora, n. sp. (Plate XXXI, fig. 11.) 
Palpi brown above, white below, antennae shaft white, pectina- 
tions brown, head, thorax, and abdomen pure white, legs white, 
the back of the coxae pink. F'.w. thickly covered with dense white 
silvery scales. H.w., as f.w., but without the silvery appearance. 
Exp. 52 mm. 
