76 
RHYACIA. By Dr. A. Corti and Dr. M. Draudt. 
murtea. Rh. murtea Corti ined. (11 f). This is somewhat similar to the preceding, hut wings are wider, darker, 
more red-brown and markings more diffuse. The mediana is blackish in cell and the space between the 
stigmata is deeper brown. The transverse lines and stigmata are red-brown, not blackish. The subterminal 
line is quite extinct. Hindwings dark brown-grey with extinct central spot and arc, fringes and anal tuft 
reddish yellow. From Ta-tsien-lu. Type in the collection of Corti. 
erythraea. Rh. erythraea Corti ined. (11 g). This is a remarkable species, that is closest to murtea. It is however 
a rich brown, circumscriptions of stigmata and the interfilling of transverse lines being somewhat bluish white. 
The central area between and below the stigmata is deeper red-brown. The transverse lines are double, 
red-brown, similarly the inner shade of subterminal line and the fine crescentiform streaks on margin. Hind- 
wings pale bistre with grey dusting and wide yellowish red fringes. From Ta-tsien-lu. Type in the collection 
of Corti. 
cirida. Rh. arida Corti ined. (11 g). Also closely resembles dahlii. It is a wide winged, pale reddish brown 
species with very few markings. The transverse lines can only just be discerned, the posterior one being very 
long and sharply dentate. The small orbicular stigma is only indicated by 2 darker brown dots outwardly and 
inwardly. The reniform stigma is a very narrow yellow-red crescent with very thin inner blackish edge, the 
outer edge being slightly thicker. Before same there is a faint central shade passing close by the postmedian 
to the inner margin. The position of the subterminal line is only indicated by very faint brownish black cunei¬ 
form marks on its inner edge. Hindwings pale bistre with somewhat whitish fringes. From 1 <$ from Seening 
(Thibet). Type in the collection of Corti. 
festiva. Rh. festiva Schiff. (Vol. 3, p. 39, pi. 8 h). This has been dealt with exhaustively in the Main Volume 
primulae. and its many forms described. The illustrations are also quite good, but Corti in his notes takes — primulae 
Esp. as nomenclatural type, which in his opinion scarcely differs from festiva. To the many forms mentioned 
disparata. already we have to add — disparata Corti ined. (11 g) from Lapland which looks almost like a brunnea by its 
dark violet brown colour with still darker patch between the stigmata and its bright yellow-red anal tuft. 
lamentanda. Rh. lamentanda Alph. (Vol. 3, p. 40). Corti removes this from among the forms of festiva and considers 
same to be a genuine species. It certainly has wider wings than festiva. 
mutila. Rh. mutila Corti ined. (11 g). This new species is very like lamentanda. It has wide wings like same, 
but it is not ochreous yellow, but pale brownish grey. The space between and before the stigmata is blackened. 
There is also blackish irroration behind the reniform stigma, the stigmata themselves are somewhat whiter 
than the ground colour. Transverse lines are indicated by sparse blackish scales, also claviform stigma is 
present. The subterminal line is fairly wide, paler than the ground and edged with a dark shade that is parti¬ 
cularly noticeable near costa. Hindwings also paler like the forewings. Fort Naryn. Type in the collection 
of Corti. 
norvegicola. Eh. brunnea Schiff. (Vol. 3, p. 45, pi. 10b). To be added to the forms are: — norvegicola Strd. head, 
thorax and forewings brownish grey with olive coloured suffusion, no reddish or purplish colouration. From 
suffusca. Sondmore in Norway. — suffusca Strd. has paler grey-brown forewings, fringes browner than in type. The 
violet suffusion is only faintly visible in basal half of costa. The stigmata are not very distinct. In place 
of the claviform stigma, a small black ring. Hindwings fairly pale. Norway. 
flavibrun- Rh. flavibrunnea Leech (Vol. 3, p. 46, pi 10 e). This should be placed here according to Corti together 
nea - with the following species and canescens also similarly. 
brunnes- Rh. brunnescens Hmps. (Vol. 3, p. 56, pi. 13 g). This species is only somewhat browner than canescens 
ems. an d the markings are rather more distinct. 
Rh. ruficauda Warr. (Vol. 3, p. 46, pi. 10 f). 
rubicilia. Rh. rubicilia Moore (= nigrosigna Moore) (Vol. 3, p. 46, pi. 10 f). This is similar to the previous species, 
but it has a more olive yellow colour. The dusky brown-black hindwings have bright red fringes. Kashmir. 
Rh. basistriga Moore (Vol. 3, p. 46, pi. 10 f). 
Rh. tincta Leech (Vol. 3, p. 47, pi. 10 f). 
Rh. griseivena Hmps. (Vol. 3, p. 47, pi. 10 g). 
descripta. Rh. descripta Brem. (Vol. 3, p. 39, pi. 8 g). The illustration is rather too black and does not truly represent 
pachnobi- this small light grey species. We are therefore giving another illustration here (11 g). — pachnobides Stgr. (11 g). 
des. Dr. Corti removes this from the list of synonyms, but I cannot say whether he intended same to be now 
considered a genuine species. According to Filipjev this is certainly not the case. It is larger, more robust 
and markings are brighter and more distinct. Ground colour is a soft violet grey, partly dusted with red-brown, 
the cell between the stigmata widely dark. Also the whole area behind the postmedian is dark grey-brown 
with a violet hue. Probably these two are only forms of some variable species. From the Amur. 
