534 ADDITIONS TO LIBRARY. 



Sowerby's Malacological and Conchological Magazine. Parts 1-2. Londou. 

 Rathmell Wilson. 



Sowerby, G. B. Thesaurus Conchyliorum. Parts 31 and 32. Mitra. Pur- 

 chased. 



Spinelli's Molluschi della Provincia Bresciana. 2d ed. Rathmell Wilson. 



Spottiswoode, Wm. Polarization of Light. London. Purchased. 



Stabile's Fauna Elvetica. Rathmell Wilson. 



Stahlberger, E. Die Ebbe und Fluth in der Rhede von Fiume. Buda Pest. 

 Hung. Nat. Hist. Soc. 



Stein's Infusiensthiere. 1 Abth. Rathmell Wilson. 



Stokley, W. S. 3d Annual Message of Wm. S. Stokley, Mayor of the City 

 of Philadelphia, with accompanying documents. June 24, 1875. Phila- 

 delphia. From the City. 



Sullivant, William S. Icones Muscorum. Supplement (Posthumous). Cam- 

 bridge. Purchased. 



Strecker, Herman. Lepidoptera, Rhopaloceres and Heteroceres. No. 12. 

 Reading, Pa. The Author. 



Strasburger, Dr. Edward. Ueber Zellbildung und Zelltheilung. Jena, 1875. 

 I. V. Williamson Fund. 



Sumichrast, Fr. Coup d'CEil sur la Distribution geographique des Reptiles 

 au Mexique. The Author. 



Theobald's Catalogue of Shells of Hindostan. Rathmell Wilson. 



Thomson, J. The Straits of Malacca, Indo-China, and China. New York. 

 Purchased. 



Trafford, F. W. C. Amphiorama, ou la Vue du Monde des Montagues de la 

 Spezia. The Author. 

 Amphiorama, ou la Vue du Monde. 2e Notice. Zurich, 1875. The 

 Author. 



Tyndall, John. Sound. 3d edition. 



Six Lectures on Light. Delivered in America in 1872-73. 2d edition. 

 Londou. I. V. Williamson Fund. 



Van Beneden and Gervais, MM. Osteographie des Ctac6s vivants et fos- 

 siles. Text and plates. Liv. 12 and 13. Paris. Wilson Fund. 



Van der Hoeven, J. Catalogue de la Celebre Collection de Cranes prove- 

 nant de Feu. Leiden, 1875. 



Von Mohl, Hugo. Botanische Zeitung, herausgegeben von Hugo Von Mohl 

 und D. F. L. Von Schlechtendal. Her Jahrg. 1853. Berlin. Chas. 

 F. Parker. 



Van Vollenhoren S. C. Snellen, Pinacographie. I. S'Gravenhage, 1875. 

 Wilson Fund. 



Veslengius Joannas, De Plantes Agyptiis Patarii, 1638. S. S. Haldemau. 



Villa's Dispositio Conchyliarum. Rathmell Wilson. 



Waller, Horace. The Last Journals of David Livingstone in Central Africa. 

 New York. Purchased. 



Warreu, G. K. An Essay concerning important physical features exhibited 

 in the Valley of the Minnesota River and upon their significance. 

 From the Engineer Department. 

 Preliminary Report of Explorations in Nebraska and Dakota, in the 

 years 1855-56-57. Reprint. Washington, 1875. Engineer Depart- 

 ment. 

 Wattel, C. R. De l'Utilit6 dTntroduire la Sericulture a la Nouvelle-Cale- 



donie. The Author. 

 Wetherby, A. G. Description of Lepidopterous Larvae. The Author. 

 Whcatley's Shells of the United States. Wilson Library. 



