1876.] Presents, 415 



Bessels (E.) The Tides at Polaris Bay, with Chart showing the approxi- 

 mate Cotidal Lines of the North Atlantic and North Pacific Oceans 

 and the Arctic Seas, folio. Washington 1876. 



The Smithsonian Institution. 



Orozier (0 te de) L'Art Khmer. Etude historique sur les Monuments de 

 l'ancien Cambodge. 8vo. Paris 1875. The Author. 



Jervis (W. P.) The Anthracite Coal of Demonte, near Cuneo, in the 

 Italian Alps. 8vo. London 1875. Sul Giacimento di Carbon fossile 

 antracitico di Demonte. 8vo. Milano 1875. The Author. 



Lebour (G. A.) On the Limits of the Toredale Series in the North of 

 England. 8vo. London 1875. The Author. 



Matthews (T.) A mode of Trisecting a Plane Rectilineal Angle by the 

 use of Circles and Straight Lines only. 8vo. Horsham 1875. 



The Author. 



Millar (W. J.) On the Strength and Fracture of Cast Iron. 8vo. Glasgow 

 1875. The Author. 



Thurston (B. H.) On the Necessity of a Mechanical Laboratory, its 

 province and its methods. 8vo. Philadelphia 1875. The Author, 



March 30, 1876. 



Transactions. 



Innsbruck : — Naturwissenschaftlich Medizinischer-Verein. Berichte. 



VI. Jahrgang. 1875. Heft 1. 8vo. 1876. The Society. 



Lausanne : — Societe Vaudoise des Sciences Naturelles. Bulletin. 2 e 



Serie. Vol. XIV. No. 75. 8vo. 1876. The Society. 



Paris: — Societe Erancaise de Physique. Seances. Mai-De'cembre 1875. 



8vo. ' The Society. 



Pisa : — Societa Toscana di Scienze Naturali residente in Pisa. Atti. 



Vol. II. fasc. 1. 8vo. 1876. The Society. 



Vienna: — Kaiserliche Akademie der Wissenschaf ten. Denkschriften. 



Math.-nat. Classe. Band XXXIV. 4to. Wien 1875. Sitzungs- 



berichte. Math.-nat. Classe. BandLXX. Heft 3-5. Abth. 1,2,3; 



Band LXXI. Heft 1-5. Abth. 1,2; Heft 1, 2. Abth. 3. 8vo. 



1875. Philos.-hist. Classe. Band LXXVIII. Heft 2, 3 ; Band 



LXXIX. Heft 1-3 ; Band LXXX. Heft 1-3. 8vo. 1874-75. 



Almanach. Jahrgang 25. 1875. 8vo. The Academy. 



Beports, Observations &c. 



Cambridge, U. S. : — Harvard University. Catalogue. 1874-75. 8vo. 

 1874. Catalogus. 1875. 8vo. Eorty-ninth Annual Beport of 

 the President of Harvard College, 1873-74. 8vo. 1875. Trea- 



