350 Cincinnati Society of Natural History. 
4 
Eleventh Annual Report of F. V. Hayden. : 
United States Geographical Survey West of the 100th Meridian. Vol.ii., Astronomy 
and Barometric Hypsometry. Vol. iii., Geology. Vol. iv., Paleon- 
tology. Vol. v., Zoology. Vol. vi., Botany. 
United States Geological Survey. First Annual Report of, by Clarence King. 
United States Coast Survey for 1856-61-65. 
United States Miscellaneous Publications, Nos. 9 and 10. 
United States National Museum Proceedings of. April, June, August and Novem- 
ber, 1881, Nos. 1 to 14. 
United States Pacific Railroad Survey. Vol. ix. 
Vienna. Verhandlungen der Kaiserlich-Koniglichen Geologischen Reichsanstadt. 
Jahrgang, 1880-’81. 
Weather Review, Washington, D.C. January, February, March, April, May, June, 
July, August, September, October, 1881. 
Westfalichen Provinzial Vereins fur Wissenschaft und Kunst Munster. 1st to 9th 
: Annual Reports. 
Whittlesey, Chas. Early History of Cleveland. 
Wisconsin. Jahres Bericht des Naturhistorischen Vereins von 1880. 
Yellowstone National Park. Annual Report of the Superintendent, for 1880. 
Books purchased during the year 1881. 
American Association for the Advancement of Science. Vols. x. and xi. 
American Journal of Science and Arts. 2d Series, Vols. xii., xxx., xxxi., XXxIli., 
XxXxXill., and xxxiv. 
American Philosophical Society. Transactions of ist Series, Vol. i. 2d Series, 
vol. iii. 
Gunther, Dr. Albert. Introduction to the Study of Fishes. 
Catalogue of Fishes. 8 vols. 
New Jersey. Geology of, by Geo. H. Cook. 2 vols. 
New York. Natural History of. Agriculture. Vols. ii. and iii. 
North Carolina. Geological Report of Midland Counties by Ebenezer Emmons. 
Smithsonian Institution. Annual Report for 1865. . 
