Additions to the Library. 281 



Societa Toscana di Scienza Natural!, Pisa. 



Memoria Vol. VII. 



Processi Verbal!, Vol. V, pp. i to 117. 



Soc!ete Helvet!que, Actes de la. 68th Session. 

 Societe Imperiale des Naturalisles de Moscou. 



Bulletin 1884, No. 4; 1885, Nos. i to 4. 



Meteorologische Beobachtungen. 1885, ist Hefte. 

 St. Louis Academy of Natural Sciences. 



Transactions, Vol. IV, No. 4. 

 Technical Society of the Pacific Coast. Transactions, Vol. I, No. 



I, 4 to 10; Vol. II, Nos. II to 25 : III, Nos. i to 5. 

 Torino Musei di Zoologia ed Anatomia Comparata. Turin. 



Bolletino, Vol. I, Nos. i to 15. 

 Trenton Natural History Society. 



Journal, Vol. I, No. i. 

 Vassar Brothers Institute. Transactions, Vol. Ill, No. i. 

 Washburn College Laboratory of Natural History. 



Bulletins, Nos. 5 and 6. 

 Ward's Natural Science Bulletin. 



Vol. I, Nos. I to 4; II, I, 2; III, I, 2. 

 Wisconsin Academy of Sciences, Arts and Letters. 



Transactions, Vol. VI. 1881-83. 1870-72. 1873-74. 

 1875-76. 



By Exchange — Miscellaneous. 



Aldrich, T. H. Cincinnati. Conrad. Fresh Water Shells of 



the United States. 



Observations on Genus Unio. Lea. Vol. III. 

 Alabama Geological Survey, 1879-80, 1880-81. 

 American Geographical and Statistical Society. Bulletin, Vol. II. 

 Arkansas Geology. First Report, 1858. 

 Bassnett, Thomas. Intimate Connection Between Gravitation and 



the Solar Parallax. 

 Casey, Lieutenant. New Genera and Species of California 



Coleoptera. 

 Coast Survey. Reports, 1871, 1873, 1874, 1876, 1878 to 1884. 

 Commonwealth of Georgia. Part i, 1884. 

 Cozzens, I. Geological History of Manhattan Island. 1843. 

 Davie, Oliver. Columbus. Geolological Survey of Ohio. 

 Palaeontology, Vol. II. 

 Economic Geology, Vol. V. 

 Lacoe, R. D. Catalogue of the Palaeozoic Fossil Plants of North 



America. 

 Mineral Resources of the United States 1867 to 1869. 

 Palaeontographical Society, Vol. XVII; 1872. 



