RHYACIA. By Dr. A. Cobti and Dr. M. Dbaudt. 
07 
Rh. sollers 8t.gr. (Vol. 3, p. 55, pi. 13 d). This name embraces a large number of varieties and forms, 8olhr<. 
which will still have to be gone through to establish their claim to specific rank. The illustration in Main 
Volume suffices, though it might be a shade less yellow-grey. — obscurior Stgr. (9 d). We are giving a better obscurior. 
illustration. 
Rh. sollertina sp. n. (9d). This differs from sollers by the much bolder and clearer markings; it is sotlerlina. 
somewhat larger, grey-brown, the double transverse lines interfilled with paler shade, between them there 
is a heavy dark central shade; orbicular stigma somewhat diagonally oval, with dark and conspicuous centre. 
The postmedian area becomes gradually darker towards the lighter marginal zone; subterminal line is pah 
and clear, posterior to same dark acute-triangular marks on margin. Fringes faintly checked with dark. Hind- 
wings grey-brown, duskily suffused at margin with dark marginal line and whitish fringes. From Aksu. 
Rh. Candida Stgr. (Vol. 3, p. 55, pi. 13 d). This is certainly a genuine species. The illustration is fair, Candida. 
the markings shoidd be somewhat more clearly prominent. — obsoleta Cobti ined. (9 d) is a nice, pale reddish obsoleta. 
yellow form with very faint, but clearly defined markings. From the northern Lebanon (Becharre). 
Rh. vestilina Hmps. (Pglr. ined.) (9 b). Hampson held this still to be a photophila form, but it is vestilina. 
certainly a genuine species. It is smaller than Candida, just as pale, somewhat more clearly and distinctly 
marked and differing mainly by the pure white hindwings having veins increasingly darkened with faint brownish 
shades towards the margin. Described from Aksu. 
Rh. paralia sp. n. (9 d) is without a doubt very like vestilina, but is somewhat more sleek in build, with par alia. 
narrower wings. It is similarly coloured, but has clearer markings, transverse lines more distinct, the anterior 
one double, the posterior line with pale outer edge. The orbicular stigma is quite absent, reniform stigma is 
only a dot in the lower angle of cell; the central shade has a distinct and dark, boldly excurved line below cell; 
marginal area darker. Hindwings purer white than in vestilina with much less heavily darkened veins and 
marginal area. From Altyn-tag and Kuku-nor. 
Rh. laetifica Stgr. (Vol. 3, p. 52, pi. 12 e). The old illustration is a copy that does not give the right laetifica. 
impression of this fine species. We are giving a fresh picture (9 c). 
Rh. dormitans Corti ined. (9 c) is very close to preceding species, but is purer grey-brown and much dormitans. 
more monotonous in shade, markings however similar. Only the transverse lines are not so regularly curved, 
the dentations being more irregular. Hindwings much paler and scarcely darker towards margin. Kuku-nor. 
Rh. poecila Alph. (Vol. 3, p. 55, pi. 13 c). The illustration of this beautiful species is not good and poecila. 
we are giving a better picture (9 c). This species is widely distributed in Central Asia and apparently it is 
frequently common. 
Rh. alaina Stgr. (Vol. 3, p. 51, pi. 11 c). The illustration is scarcely recognisable, we are illustrating alaina. 
this fine species afresh (9e). - alexatldra B.-H. i. 1. ? (9e) is a very dark form suffused with violet-grey alexandra. 
dusting so heavily that the markings are scarcely discernible. Also hindwings are very dusky. 
Rh. junonia Stgr. (Vol. 3, p. 51, pi. 11c). Petebsen declares that this is synonymous with alaina, junonia. 
but nevertheless it appears to be a genuine species. Colouration is more ochreous without the reddish tone, 
hindwings are paler whitish and dusted with grey-brown. Illustration in Main Volume suffices. 
Rh. achtalensis Kozh. According to wing contour this is most like alaina, but it is of quite different achtalensis. 
colouration with very diffuse markings. Ground colour is grey with brown admixture and luteous markings, 
which consist only of 2 transverse lines; the anterior one is almost straight and very wide, the posterior line 
is also wide, arc-shaped and heavily dentate; a dark mark between the stigmata, which are however entirely 
absent. The unicoloured marginal area is intersected by the slightly darker veins. Hindwings grey without 
any discal spot. Wing expanse: 39 mm. Described from the Caucasus (Achtala). 
Rh. suavis Stgr. (Vol. 3, p. 51, pi. 11 d). The illustration of this fine and peculiar species is quite good, suavis. 
only the central area and stigmata might be slightly better defined. Stabdingeb created the Genus Ammo- 
grotis for this species, but this seems superfluous. — superba A. B.-H. is of a much more lively colouration, superba. 
pale yellowish to brilliant yellowish red ground colour, varying considerably from type; forewings with fainter 
blackish dustings, stigmata and transverse lines standing out. prominently, costal spots are distincter and 
blacker and fringes have bolder checks. Hindwings pure white and nicely glossy with only very faint shade 
or band at margin, which is often almost absent. Juldus territory. 
Rh. oreas Pglr. (Vol. 3, p. 56). This should be placed here and not to renigera. We are giving an illus- areas. 
tration of the species (9e). It is of monotonous pale grey colouration with peculiar stigmata, that stand 
out like dark spots and it is easily recognisable in consequence. Our illustration is of a $ and the A is larger, 
sleeker and with wider wings. The marking, except for the stigmata, is very obscure. Hindwings pale luteous, 
darker at margin with discal lunule and postmedian band; fringes whitish. From Aksu. 
