DONATIONS TO LIBRARY. 173 



Hoffman, Dr. C. K. and H. Wyenbergh. Die Osteologie und Mvologie von 

 Sciurus vulgaris, L. Harlem, 1870. From the Hollandiseha Academy. 



Homes, Dr. M. Die Fossilen Moll usken des Tertiaer-beckens von Wieil. II 

 Band, No. 9, 10. Bivalven. 1870. From the Geological Society of 

 Vienna. 



Houghton, Rev. S. On the Reflexion of Polarized Light from Polished Sur- 

 faces, Transparent and Metallic. From the Author. 

 On the Tides of the Arctic Sea. From the Author. 



How, Prof. Contributions to the Mineralogy of Nova Scotia. From the 

 Author. 



Jan, Prof, et Fred. Sordelli. Iuonographie generate des Ophidiens. 32me 

 35me Livrs. From the Wilson Fund. 



Jones, Dr. Jos. First Report of the Cotton Planters' Convention of Georgia. 

 Augusta, 1860. From Dr. Leidy. 



Jones, J. Matthew. Contributions to the Natural History of Nova Scotia. 

 Insecta Coleoptera Part I. From the Author. 



Kraatz, Dr. G. Verzeichniss der Kafer Deutschlands. Berlin, 18G9. From 

 the Author. 



Kiister, H. C. Systematische Conchylien-Cabinet von Martini und Chemnitz. 

 9 Band, Heft VIII; 10 Band, Hefts V, VI and VII ; 11 Baud, Heft IX. 

 From the Wilson Fund. 



Lea, Isaac. A Synopsis of the Family of Unionidte. 4th Ed. Philad., 1870. 

 From the Author. 

 Notes on Microscopic Crystals included in some Minerals. From the 

 Author. 



Linder, M. Note sur les variations seculaires du Magnetisme terrestre. From 

 the Author. 

 Du nombre des Freins qu'il couvient d'introduire dans les trains de Che- 

 min du Fer. Bordeaux, 1870. From the Author. 



Lischke, C. E. Nov. Conch. Supplement IV. Japanische Meeres-Conchy- 

 lien. 58 Lief. 1869. From the Wilson Fund. 



Lockyer, Norman. On Recent Discoveries in Solar Physics made by means of 

 the Spectroscope. Notice of an observation of the spectrum of a solar 

 prominence. Note on Mr. Huggins' paper, "On a possible method of 

 viewing the red flames without an eclipse." Spectroscopic Observa- 

 tions of the Sun. Nos. 1, 2, 3 and 4. From the Author. 

 Spectroscopic Observation of the Sun. Nos. 1, 2, 3, 4 and 5. Reply to 



some remarks of Father Secchi on the recent Solar Discoveries. 

 Researches on Gaseous Spectra in relation to the Physical Constitutiou 

 of the Sun, Stars, and Nebulse. Third Note. Preliminary Note on re- 

 searches on Gaseous Spectra. From the Authors. 



Lowe, E. J. Natural Phenomena and Chronology of the Seasons. London, 

 1870. From the Author. 



Marsh, O. C. Notice of some new Mosasauroid Reptiles from the green sand 

 of New Jersey. From the Author. 



Description of a new species of Protichuites, from the Potsdam Sandstone of 

 New York. From the Author. 



Mayer, Charles. Catalogue Systematique et descriptif des Fossiles des Ter- 

 rains Tertiares qui retrouvant au Muse"e federal de Zurich. 4me Cahier. 

 Mollusques Purchased. 



Meigs, J. A. Valedictory Address to the graduating class of the Jefferson 

 Medical College, 1870. From the Author. 



Memoirs of the Geological Survey of India. 8vo. Vol. VI, Part 3. 4to Series 

 5, Parts 5-10, Pages 205 et seq. From the Survey. 



Milne-Edward H. Legons sur la Physiologie. Tome 9me, 2me Partie. Pans, 

 1870. From the Wilson Fund. 



Mohn, H. Temperature de la Mcr l'Islande, L'Ecosu et la .Norvege, 18.0. 

 From the Author. 



