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Show 1886.] MR. H. J. ELWES ON THE GENUS PARNASSIUS. 33 I have seen Erschoff's type in the museum at St. Petersburg, and have little doubt that it is identical with Haberhauer's, of which I possess one example ; but the fringes of the former are not so black and do not seem to be correctly represented in the figure. In general appearance the species is extremely similar to P discobolus, and, no doubt, varies in the usual manner. Though I cannot find Fedtschenko's locality in a large-scale map of Turkestan, yet it cannot be very far from the mountains where Haberhauer found the species; and neither he nor other explorers seem to have met with it further north or east, whilst to the south and west are no mountains at all connected with this range1. P. DAVIDIS. Parnassius davidis, Oberthur, Et. Ent. liv. iv. p. 23, t. ii. fig. 2 (1880). Beyond the single specimen which M . Oberthiir has described, nothing is known of the species, which seems to differ in nothing from P. nomion, excepting that the fringes of the wing are entirely black. It has also, as M . Oberthur informs me, grey antennae ringed with black, and the club black, the legs grey, with the last articulation only black. It was discovered by the distinguished naturalist, Abbe David, in the Jehol Mountains north of Pekin, and must be either very local or rare, as no other specimen was ever procured by him in his numerous journeys in the north of China. P. BREMERI. Parnassius bremeri, Feld. M S S . ; Brem. Lep. Ost Sib. p. 6, t. i. figs. 3, 4 (1864); Feld. Reise Novara, i. p. 133, t. 21. e-g (1865). Var. graeseri, Honrath, Berl. ent. Zeit. 1885, p. 272, t. viii. figs. 1, 1 a, b, c. This species, sent by Bremer to Felder as P. delius, is undoubtedly a good and distinct species, very variable in colour, but always to be recognized by its black antennae, plain black-and-white-edged fringe, and black pouch of the apollo type; but like those of its countryman, P. nomion, the pouch is more prominent and less covered by hairs. The veins are always covered with black scales, as in the mnemosyne group. In the number and colour of the ocelli it is extremely variable, some specimens having no red markings on either wing ; but the majority have three or four on the hind wing, and some have two, or even three, on the fore wing as well. Two fresh females from Khabarofka, one of which is without a pouch, have the fore wings (which are without any red) strongly tinged with yellow; but out of nine males and nine females in m y collection, not one presents the slightest deviation from the characters of the species, excepting that the antennae of some paie-coloured males from the Amur are faintly ringed with whitish. i gince this was in print, I have received a specimen of P. honrathi from the Grand Duke Nicholas, collected by M. Grrumm Grshimailo at Agwas Potasuk, which I believe to be in the mountains of Karategin. PKOC. ZOOL. Soc-1886, No. III. 3 |