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Show 6 MR. H. J. ELWES ON THE GENUS PARNASSIUS. [Jan. 1 , of the first pair. The mandibles have an appendage. The'gnath(T podaare small and subchelate; the dactylos of the second pair is quite peculiar; it does not end in a claw, but in a finger-like setnorm process. Pereiopoda very similar in form, the basa being progressively dilated; fourth pair the longest. Telson entire. Loxae 01 the first four segments very deep, the 4th broader than the preceding three together. . . f Hab. Several specimens of this species were taken in a runnel ot water on the Obelisk (or Old Man) Range in the interior of Otago, at a height of about 3000 feet. The stream was a little thing that one could have dammed with the hand, and running at such a. slope that I can hardly imagine how the Crustacea are not washed away by every shower of rain. The Old Man range is about 80 miles from the sea. The only other fresh-water amphipod found in New Zealand (excluding the subterranean forms found by Chilton) is Calliope fluviatilis, rnihi, which is very common." This paper will he published entire, with illustrations, in the Society's Transactions. A letter was read from Dr. C. S. Minot, of 25 Mount Vernon Street, Boston, Mass., U.S.A., calling attention to the Elizabeth Thompson Science Fund, for the advancement and prosecution of Scientific Research, and inviting applications for assistance fiom it. Mr. Howard Saunders exhibited an adult specimen of the Sooty Tern (Sterna fufiginosa) sent to him by Mr. A. C Foot, of Bath, with the statement that the bird was caught alive about three miles from that city, on the 4th or 5th October, 1885, the weather being windy and the floods extending over the meadows. It was brought to Bath on the 6th October, and seen in the flesh by the Rev. Leonard Blomefield and the Librarian of the Bath Museum. Only two examples of this species had as yet occurred in Great Britain. Its habitat was principally intertropical, but it bred as far north as the Florida Cays, and straggled northwards, generally in autumn, to the coasts of N e w England. Under the name of " Wideawake Fair" its breeding-colony at Ascension was well known. The following papers were read : - 1. O n Butterflies of the Genus Parnassius. By H. J. ELWES, F.Z.S. [Eeceived January 19, 1886.] (Plates I.-IV.) Notwithstanding that the Butterflies of this genus have for years been especial favourites among entomologists, and that their countless variations have caused many pages of unprofitable descriptions to be written on them, yet our actual knowledge of their life-history is, with |
