Dr. Buller exhibited to the meeting and made remarks upon several new birds, full descriptions of which will appear in his forthcoming new edition of “The Birds of New Zealand.” The most important of these was an Australian Swift (Cypselus pacificus) shot by Captain Messenger at the White Cliffs, Taranaki, this being the first known instance of its occurrence in New Zealand. Another interesting novelty was a specimen of Procelsterna albivitta, obtained by Mr. C. H. Robson at Cape Maria van Diemen, where it had taken refuge in a flax-bush. This pretty little Tern is a native of the sea bordering the eastern and north-eastern coasts of Australia and is said to breed on Norfolk Island.

Buller also gave an account of a new species of Albatros, specimens of which in all stages of growth had been received from the Auckland Islands; and referred to some birds recently collected by Mr. Reischek in the South Island. He proposed to distinguish the large and highly-coloured Kaka as Nestor montanus.

“Note on Geological Structure of the Canterbury Mountains,” by Dr. Hector. (Transactions, p. 337.)