1872.] 



Presents. 



99 



Observations, Reports, &c. (continued). 



Prag : — Sternwarte. Magnetische und Meteorologische Beobachtungen, 



1871. 32 Jahrgang. 4to. 1872. The Observatory. 

 St. Petersburg : — Physikalische Centralobservatorium. Annalen, heraus- 



gegeben von H. Wild. Jahrgang 1870. 4to. 1872. 



The Observatory. 



Up sal : — Observatoire de l'Universite. Bulletin Meteorologique Men- 

 srael. Vol. I. No. 1-12; Vol. II. No. 7-12; Vol. III. No. 1-12. 

 4to. Upsal 1871. The Observatory. 



Washington : — Department of Agriculture. Report of the Commissioner 

 of Agriculture, 1870. 8vo. 1871. Monthly Reports for 1871. 8vo. 



1872. Report on the Diseases of Cattle in the United States. 4to. 

 1871. The Department. 



United States Coast Survey. Report of the Superintendent, show- 

 ing the progress of the Survey during 1868. 4to. 1871. 



The Survey. 



Acland (H. W.), F.R.S. Health. Address delivered at the Social Science 

 Congress at Plymouth. 12mo. Oxford 1873. The Author. 



Ball (R. S.) The' Theory of Screws. 4to. Dublin 1872. Account of 

 Experiments upon the retardation experienced by Vortex-rings* of 

 Air when moving through Air. 4to. 1872. The Author. 



Claus (C.) Die Copepoden-Fauna von Nizza. 4to. Marburg 1866. 



C. Darwin, F.R.S. 



De Candolle (A.), For. Mem. R. S. Histoire des Sciences et des Savants 

 depuis deux siecles. 8vo. Geneve 1873. The Author. 



Farre (Arthur), F.R.S. The Harveian Oration delivered at the Royal 

 College of Physicians, June 26, 1872. 12mo. London 1872. 



The Author. 



Henwood (W. J.), F.R.S. Remarques sur les Gisements Metalliferes du 

 Cornwall, traduction par E. Morineau. 8vo. Paris. The Author. 

 Houzeau (J. C.) Etudes sur les Facultes Mentales des Animaux com- 

 parers a celles de 1'Homme. 2 vols. 8vo. Mom 1872. 



The Author, by C. Darwin, F.R.S. 

 Mathieu (Emile) Cours de Physique Mathematique. 4to. Paris 1873. 



The Author. 



Morfit (Campbell) A Practical Treatise on Pure Fertilizers. 8vo. Lon- 

 don 1873. The Author. 



Nicholson (II. A.) A Manual of Palaeontology, for the Use of Students. 

 8vo. Edinburgh 1872. The Author. 



Poinsot (L.) Elements de Statique, onzieme edition, par J. Bertrand. 

 8vo. Paris 1873. The Editor. 



