498 
Lord Walsingliam on 
PHALONIANjE, 
PHALONIAD^, Meyr. = CONGHYLINJE, Fern. 
Hysterosia, Stph. 
Eysterosia, Stph. List Br. An. B.M. X. Lp. 85 (1852) ; 
Wlsm. Ent. Mo. Mag. XXXI., 42 (1895) ; = Idio- 
graphis, Ld. Wien. Ent. Mts. III., 242, 246 (1859) ; 
Fern. Tr. Am. Ent. Soc. X., 23 (1882). 
Hyderosia aureoalbida, sp. n. 
AntenncBf (J, white above, greyish beneath. Palpi and Head 
white. Thorax very pale golden yellow. Forewings, <^ , shining 
silvery white, with a very pale golden yellow suffusion which is 
divided into oblique transverse bands beyond the middle ; three or 
more coppery-red spots, one beneath the fold at one-third from 
the base, consisting of only a few scattered scales above the dorsal 
margin, near the outer end of the fold partially connected by a 
line of scales with a more conspicuous spot at the upper angle of 
the cell, a smaller spot lying half-way between this and the apex ; 
these spots are all ill-defined (in some specimens consisting merely 
of groups of coppery-red scales, and in some almost entirely 
disappearing) ; cilia white, with a slight golden tinge. Exp. al., $ 
17 mm. Hindwings whitish, tinged with lilac-grey ; cilia shining 
white. Abdomen greyish. 
The 5 is very different in colour from the the general 
effect is pale fawn-ochreous, the shining whitish ground show- 
ing only between the scattered patches of this colour and 
in transverse oblique bands across the apical portion of the 
wing. Exp. aL, $ 16 mm. The palpi, which are very sharp in 
the $ , are somewhat shorter and more obtuse in the 9 > 
together with the head, thorax, and antennae, are pale fawn- 
ochreous. The hindwings are also a little darker. 
Type. 6 ? . Mus. Wlsm. 
Hah. Colorado— Loveland, 5-10,000 ft. July, 1891 
(Smith). 
Allied to Hysterosia segrana, Wlsm. 
Phalonia, Hb. (Meyr). 
= doNCHYLls, Tr. (Fern.) 
Phalonia feliXj sp. n. (PL XII., fig. 2.) 
Antennae biciliate in the male (1) ; pale cinereous. Palpi 
whitish internally, reddish fawn externally^ Head creamy white. 
Thorax whitish, the tegulse shaded with reddish fawn. Forewings 
