Washington — Smithsonian Institution : Reports of 1873 and 1874. 

 National Naval and Astronomical Observatory : Astronomical and Me- 

 teorological Observations for year 1872, and for year 1873. 

 Office of Chief of Engineers U. S. Army: Rep. of Chief of Engrs., 1S49, 

 pts. 1-2, 8vo; Report on Canal to connect the Chesapeake and Ohio 

 Canal with Baltimore, by Col. J. J. Abert, Chief of Top. Engrs., 410 

 1874; Preliminary Report on Invertebrate Fossils collected by Expe 

 ditions of 1871-2-3, with Descriptions of New Species, by C. A.White 

 M.D., 1874: Explorations and Surveys W. of 100th Merid., by Lieut. 

 Geo. M. Wheeler, U.S.A., 4to, 1874; Report of Commission of Engi 

 neers on Reclamation of the Alluvial Basin of the Mississippi River 

 1875; Vertebrata of the Eocene of New Mexico, collected by Lieut. G 

 M. Wheeler, by E. D. Cope, A.M., 1875 ; Northwestern Wyoming, by 

 Capt. W. A.Jones, U. S. Engineers., 8vo, 1875; Reconnaissance of 

 Southern and Southeastern Nevada, in 1S69, byLieuts. G. M. Wheeler 

 and D. W. Lockwood, U. S. Engrs., 1875, 4to; Reconnaissance of the 

 Black Hills of Dakota, by Lt.-Col. Wm. Ludlow, U. S. Engrs.. 4to, 

 1874; Explorations in Nebraska and Dakota in 1855-6-7, by Lieut. G. 

 K. Warren, U. S. Engrs. (reprint), Washington, 1875; Expedition up 

 the Yellowstone River in 1S75, by Lt.-Cols. James W. Foster and F. 

 D. Grant, Washington, 1875; Report of the Chief of Engineers, Parts 

 1 & 2, 1875, 8vo. 

 Bureau of Education : Circular of Information, No. 3, 1874; Circular, 

 Nos. 1 & 2, 1875; Reports of Commissioner on Education for 1873 and 

 for 1S74, 8vo, 1S75. 

 U. S. Geological Survey of the Territories — Dr. F. V. Hayden, Director : 

 List of Elevations W. of the Mississippi River, by Henry Gannett, 

 1875; Annual Report, by Dr. F. V. Hayden, for 1873; The Fossil 

 Flora of the Western Territories, vol. vi., pt. 1, The Cretaceous Flora, 

 by Leo Lesquereux, 4to, 1874; Catalogue of Publications, by Dr. F. 

 V. Hayden, 1874; Bulletin, Nos. 1-6, 1875; Meteorological Observa- 

 tions, 1873-4, in Colorado and Montana, by George B. Chittenden; 

 Birds of the Northwest, by Elliott Coues, 1S74; Extinct Vertebrate 

 Fauna of the Western Territories, by Joseph Leidy, M.D., ^to, 1873 ! 

 Cretaceous Flora, by Leo Lesquereux, 410, 1874; Acridida? of North 

 America, by Cyrus Thomas, Ph.D., 4to, 1873; Flora of Colorado, by 

 T. C. Porter and J. M. Coalter, 8vo, 1874 ; Geomys and Thermomys, by 

 Dr. Elliott Coues, U.S.A., 4to, 1875; Maps of the Sources of Snake 

 River, and of the Upper and Lower Geyser Basins in Montana, 1875; 

 Explorations of the Colorado River of the West, by Prof. J. W.Powell, 

 4to, 1875; The Vertebrata of the Cretaceous Formations of the West, 

 by E. D. Cope; Vol. ii. U. S. Geological Surveys, 4to, 1875; Miscel- 

 laneous Publications, 1-5. 



Albany — New York State Library: Proc, 10th Anniversary of the Uni- 

 versity Convocation, in 1873; 27th Ann. Report of the New York Mu- 

 seum of Nat History, Albany, 1874; 57th Ann. Report of the Trustees 

 of the New York State Library for 1874; Proc, nth Anniv. of the 

 University Convocation, July, 1874. 

 Albany Institute: Proc, vol. ii., pt. i., 1S72-4; Transactions, vol. vii., 

 1876. 



New York — Lyceum of Natural History: Annals, vol. xi., Nos. 1-2, 1S74, 

 and Nos. 3-4, 1875. 



Buffalo— Buffalo Society of Natural Sciences: Bulletin, vol. ii. No. 4, and 

 vol. iii., Nos. 1-2. 



New Haven— -Amer. Journal of Science and Arts : Nos. 49-63, 1875-6. 



Salem — Essex Institute: Bulletin, vol. vii., Nos. 1-5. 



Peabody Academy of Science : Bulletin, vol. vi., 9-12; Memoirs, vol. i., 

 No. 4, 1875; Fresh-water Shell Mounds of the St. John's River, Flori- 

 da, by Jeffries Wyman. 



