(jfl Presents. [June 2, 



Observations and Reports. 



Batavia : Magnetical and Meteorological Observatory. Observa- 

 tions. Vol. XIII. Folio. Batavia 1891 ; Regenwaarnemingen 

 in Nederlandsch-Indie. 1890. 8vo. Batavia 1890. 



The Observatory. 



Berlin : Sternwarte. Berliner Astronomisches Jahrbuch fur 

 1892. 8vo. Berlin. The Observatory. 



Bucharest : Iiistitut Meteorologique de Roumanie. Annales. 1889. 

 4to. Bucuresti 1892. The Institute. 



Edinburgh : Royal Observatory, Edinburgh Circular. Nos. 

 2627. 4to [Sheet]. 1892. The Observatory. 



Melbourne : Observatory. Monthly Record of Results. Novem- 

 berDecember, 1891. 8vo. Melbourne. 



The Observatory. 



Sydney: Observatory. Meteorological Observations. October, 

 1891. 8vo. [Sydney,'] The Observatory. 



Upsala : Observatoire Meteorologique de 1'Universite. Bulletin 

 Mensuel. Vol. XXIII. 4to. Upsal 1891-92. 



The Observatory. 



Basset (A. B.), F.R.S. A Treatise on Physical Optics. 8vo. Cam- 

 bridge 1892. The Author. 

 Conwentz (H.) Die Eibe in Westpreussen, ein aussterbender Wald- 

 baum. 4to. Dantzig 1892. 



The Provinzial-Commission zur Verwaltung der 



Provinzial-Museen, Danzig. 



Cross (C. R.) and H. M. Goodwin. Some Considerations regarding 

 Helmholtz's Theory of Consonance. 8vo. [Boston 1891.] 



The Authors. 



Evans (J.), Treas. R.S. Rabies and the Pasteur Institute. 8vo. 



Hertford 1892. The Author. 



Gladstone (J. H.), F.R.S. On Copper and Bronze of Ancient Egypt 



and Assyria. 8vo. London 1890 ; On Metallic Copper, Tin, 



and Antimony from Ancient Egypt. 8vo. London 1892. 



The Author. 



Gore (G.), F.R.S. A General Relation of Electromotive Force to 



Equivalent Volume and Molecular Velocity of Substances. 8vo. 



Birmingham 1892. [And 9 other Excerpts. J The Author. 



Harle (E.) Une Mandibule de Singe du Repaire de Hyenes de 



Montsaunes (Haute- Garonne). 8vo. Toulouse 1892. 



The Author. 



Hehir (P.) Report on Rain-compelling Experiments, conducted at 

 Hyderabad, on the 12th December, 1891. [Sheet.] 



The Author. 



