DIARY

THURSDAY, NOVEMBER 4.

LINNEAN SOCIETY, at 8.-- On some Brazilian Plants from the neighbourhood of the Campinas: J. Correa de Mello. On two Indian-Plants: N. Dalzell. On the Occurrence of a Luminous Insect near Buenos Ayres: R. Trimen

CHEMICAL SOCIETY, at 8.-Discussion on Dr. Williamson's Discourse on the Atomic Theory.

FRIDAY, NOVEMBER 5.

GEOLOGISTS' ASSOCIATION, at 8.-Comparative Anatomy as applied to Geology: Dr. C. Carter Blake, .

MONDAY, NOVEMBER 8.

LONDON INSTITUTION, at 4.-Elementary Physics: Prof. Guthrie.

ROYAL GEOGRAPHICAL SOCIETY at at 8.30.-President's Address. Journey to the Yellow River: Mr. Elias.

TUESDAY, NOVEMBER 9.

ETHNOLOGICAL SOCIETY, at 8.-- On the Chinese Race; their Language, Government, Social Institutions, and Religion: Mr. Gardner.

WEDNESDAY, NOVEMBER 10.

GEOLOGICAL SOCIETY, at 8.-Australian Mesozoic Geology and Palaeontology: C. Moore, F.G.S. On some Plant and Insect-beds in New South Wales: C. Moore, F.G.S. Further Evidence of the Affinity between Dinosauria and Birds: Prof. Huxley, F.R.S. On the Dinosauria of the Trias, with observations on the Classification of the Dinosauria: Prof. Huxley, F.R.S.

ROYAL MICROSCOPIC SOCIETY, at 8.-On High Power Definition, with Illustrative Examples: Dr. G. W. Royston Pigott, F.R.A.S. On the Structure of the Scales of certain Insects of the Order Thysanura: S. J. McIntire.

THURSDAY, NOVEMBER 11.

LONDON INSTITUTION, at 7.30.-On Architecture, or the Fine Art of Building: Prof. Robert Kerr.

ZOOLOGICAL SOCIETY, at 8.-On the Anatomy of the Aard-Wolf (Proteges cristatus: Prof. Flower, F.R.S.

LONDON MATHEMATICAL SOCIETY, at 8-General Meeting at Burlington House.