468 ADDITIONS TO LIBRARY. 



Nanaur, A. Tables de logarithmes. The Author. 



Napp, R. La Republica Argentina, 1876. Argentine Centennial Commis- 

 sion. 



Nathorst, A. G. Om Floran i Skaues Kolforande Bildningar. I. Floran 

 vid Bjuf. la Haftet. Geological Survey of Sweden. 



National Academy of Sciences, Report on Scientific Surveys. The Acad- 

 emy. 



Nevill, G. Mollusca in the Indian Museum, Calcutta. Pt. I. Gastropoda. 

 Trustees of Museum. 



Newberry, J. S. Geographical Survey of the Fortieth Parallel. 

 New palseozoic fishes. The Author. 



New Jersey, Geological Survey of, Report, 1878. G. H. Cook. 



New York State Library, 58th-61st annual reports. The Trustees. 



New York State Museum of Natural History, 27th, 29th, and 30th annual 

 reports. The Trustees 



Nusslin, 0. Anatomie und Physiologic der Pulmonaten. I. V. William- 

 son Fund. 



Observations meteorolo<riques des Stations du second ordre dans les Pavs- 

 Bas, 1876. The Utrecht Observatory. 



Ochsenius and diaper, MM. Rapport sur les mines et founderies d'argeut 

 de Bingham. 3 pamphlets. Dr. F. V. Playden. 



Owen's Geological Survey of Wisconsin, Iowa, and Minnesota. Edw. 

 Stroud. 



Palfeontographica, 25er Bd. 6e Lief., Suppl. III., Lief. I. Heft. 3, Lief. II. 

 H. 2 ; Lief. III. H. 3, 26er Bd., 1 und 2 Lief. Wilson Fund. 



Palreontographical Society's Publications. Vol. 33. Wilson Fund. 



Paleontologie franc.aise, le Ser., An. Inv., Ter. Juras. Livr. 28, 40, 41. 2e 

 Serie, Vegetaux Ter. Jur. Livr. 26. 27, 28. Wilson Fund. 



Paulucei, M. Faune malacologique de l'ltalie, 1878. I. V. Williamson 

 Fund. 



Pavesi, F., de Insubrum agricolarum in Transatlanticas regiones demigra- 

 tione. Academy of Sciences of Amsterdam. 



Peale, A. C. The Laramie Group of Western AVyoming and adjacent re- 

 gions. 

 Jura-trias section of Southeastern Idaho and Western Wyoming. The 

 Author. 



Pennsylvania Hospital, report of Managers. 1879. The Authors. 



Pfaff, F. Naturkrafte in den Alpen. Dr. F. V. Hayden. 



Novitates Conchologicaj. I. Abth., Lief. 55, Schluss. Wilson Fund. 

 Nomenclator heliceorum viventium. 1, 2, 3, and 4 Lief. I. V. Wil- 

 liamson Fund. 



Pickering, Chas. Chronological history of plants. Mrs. Chas. Pickering. 



Pihl, O. A. L. On magnets. The Author. 



Plateau, F. Circulation chez les animaux articules, 1878. The Author. 



Polar Colonization. Memorial to Congress. H. W. Howgate. 



Polk. L. L. Fish Culture in North Carolina. The Author. 

 Report, 1877-78. Dep. of Agriculture, N. C. 



Portugal, ideological map of. The Geological Survey. 



Powell, J. W. Report on the lands of the arid regions of the United States. 

 Department of the Interior. 



Prime, F., Jr. Catalogue of official reports upon Geological Surveys of the 

 United States and Territories and of British North America. The 

 Author. 



Quredvlieg, L. Entomologie pratique. The Author. 



Quatrefages, A. De. The human species. I. V. Williamson Fund. 



Radcliffe, C. B. Proteus, 1877. 2d Ed. I. V. Williamson Fund. 



Rae, J. Railways of New South Wales. Government of New South 

 Wales. 



