Report on Salt-spring Lands in Minnesota, by N. H. Winchell ; Notes on 

 Drift Soils of Minnesota, by N. H. Winchell, State Geologist; Econo- 

 mical Geology of region of Sheboygan and old Mackinaw, Mich., 

 N. H. Winchell, —from the Author. 



Datos para el Estudio de las Rocas Mesoz6icas de Mexico, y sus F6siles 

 caracterfsticos, por Mariano Barcena, Mexico, 1875,— from the Author. 



Second Annual Report of the East St. Louis Public Library, June, 1875, — 

 from the Directors. 



Besucht iiber der^ Wasserbahne in dem Quellen, Fliissen und Stromen, 

 Wien, 1875. 



Annual Report of the Renssalaer Polytechnic Institute, Troy, N. Y., 1875. 



Geological and Natural History and Survey of Minnesota, 3d Ann. Rep., 

 by N. H. Winchell, State Geologist; St. Paul, 1875,— from the Author. 



La Spia'Ortosismica, da Jacobo Mensini, Firenze, 1875. 



Absolute Money: A New System of National Finance, by Britton A. Hill, 

 St.jLouis, 1875, —from the Author. 



Habits of the Blind Crawfish [Catnbarus fiellucidus) and the Reproduction 

 of Lost Parts, by P. W. Putnam, 1S75, — from ike Author. 



Quarterly Journal of Conchology of Leeds, Eng., by Wm. Nelson and Jno. 

 W. Taylor, vol. i. Nos. 1-6, 1874-5, London, —from the Author. 



Fragments Zoologiques, Nos. 1-4, par M. Charles Desmoulins, Bordeaux, 

 1875 ; Notice necrologique sur M. Elie Durand, par M. Charles Des- 

 moulins, Bordeaux, 1875,— -fro7ii the Author. 



Geological Survey of Ohio, vol. i. Geology and Palaeontology with Maps; 

 Ohio Railroad Report for 1874,— -from J. C. Schroyer. 



Maritime Canal of Suez, by Prof. J. E. Nourse, U.S.N., Washington, 1870, 

 from the Author. 



Ein Fund vorgeshichlicher Steingerathe bei Basel, von Albert Miiller, 

 Basel, 1875. 



Die Bildung der Meteoriten und Vulcanismus, von G. Tschermak, Wien, 



1875- 

 On the Odontornitha, or Birds with Teeth, by Prof. O. C. Marsh, 2 Plates, 



—from"the Author. 

 Notes on the Big Woods, by N. H. Winchell, 1875. 

 La Thdorie Darwinnienne, &c, par Joseph Bianconi, Wien, 1874,— y>w« 



Herr Senoner. 

 Bericht iiber der Rinderpest impfungen, 1872-3, von M. u. K. Raupach. 

 Le Valhalla des Sciences pures et appliquees, par le Cte. Leopold Hugo, 



Paris, 1875,— from the Author. 

 Giornale della R. Accademia de Medicina di Torino, anno xxxviii., No. 2. 

 Polytechnic Review, Philadelphia, Nos. 1 & 2, vol. i., 1876. 

 On the Respiration of Compressed Air, by Thomas Hayden, F.C.P., &c, 



Dublin, 1S74,— from the Author. 

 Psyche: Organ of the Cambridge Entomological Club; vol. i., No. 22, 



1876. 

 Annuaire de Ville-Marie : Origin, Utilite et Progres des Institutions Ca- 



tholiques de Montreal: Supplement to Ed. of 1874; Montreal, 1875, — 

 from Major L. A. Huguet-JLatour. 

 Blei- und Zinck-Erz Lagerstatten in Sudwest Missouri, von Dr. Adolph 



Schmidt, Heidelberg, 1876,— from the Author. 



