cal Observations, 1872, for Utah, Idaho and Montana, by Henry Gan- 

 nett, Ass't, Washington, 1873; Synopsis of New Vertebrata from the 

 Tertiary of Colorado, in 1873, by Prof. E. D. Cope; Extract from the 

 7th Annual Report of the U. S* Geological Survey of the Territories, 

 under Dr. F. V. Havden, U. S. Geologist, Washington, 1S73 ; Contri- 

 butions to the Extinct Vertebrate Fauna of the Western Territories, by 

 Joseph Leidy, vol. i. -lto, with Plates, Washington, 1S73, —from the 

 'Hon. Secretary of the Interior ; 6th Annual Report of the U. S. Geo- 

 logical Survey of the Territories, by F. V. Hayden, U. S. Geologist 

 (Depart, of the Interior), Washington, 1S73. 



Philadelphia — Academy of Natural Sciences: Proc, pt. iii., Oct. -Dec, 

 1S72; Proc, pt. i., Jan.-Feb. 1873; pt. ii.. March-Sept. 1S73. 

 Americal Philosophical Society : Proc, vol. xii., No. 80, 1872; Proc, 

 vol. xiii., No. 90, 1873. 



Albany— New York State Library: Annals of the Dudley Observatory, vol. 



ii., Albany, 1S71 ; Annual Reports of the Regents of the University of 



New York, "xx.-xxiv. ; 55th Annual Report of the Trustees of the New 



York State Library; Proc of the University Convention of the State 



of New York, 7th and 8th Anniversaries, 1S70-71. 



Nciv Haven — The Connecticut Academy of Sciences : Transactions, vol. 

 ii., pt. 2, New Haven. 1873. 

 Americal Journal of Science and Arts, vol. vi., Nos. 26-36, 1873. 



San Francisco — California Academy of Sciences: Proc, vol. iv., pt. 5, 

 1S72 ; vol. v., pt. i., 1873. 



New York — Lyceum of Natural History: Proc, 2d Series, Jan. -March, 



J 873- 

 Americal Geographical Society : Bulletin, Sess. of 1873-4, First Meet- 

 ing Nov. 11, 1873. 



Worcester— American Antiquarian Society: Proc, No. 59, Oct. 1873. 



Salem — Essex Institute: Bulletin, vol iv., Nos. 9-12; vol. v., Nos. i-S, 

 1S73. 

 The Peabody Academy of Science : 5th Annual Report of the Trustees, 

 for 1872. Salem, 1873. 



Madison — Wisconsin State Historical Society: Catalogue of the Library, 

 edited by Danielis Durrie, Librarian, 2 vols. Svo, Madison, 1S73. 



Milxvaukic— Naturhistorischer Verein von Wisconsin : Bericht, 1S72. 



Baltimore— The Peabody Institute : 6th Annual Report, 1S73. 



i\ezv Orleans— The New" Orleans Academy of Sciences : On the Calcasieu 

 Sulphur Mine, by W. R. Koonz ; On the Entities, and Development, 

 and Origin of Species, bv C. G. Forshey, New Orleans, 1873; Nitrous 

 Oxide Gas, by A. F. McLean, M.D., D.D.S., New Orleans, 1S67; A 

 Geological Reconnaissance of the State of Louisiana in 1869, by E. W. 

 Hilgard, Ph D. ; The Delta of the Mississippi River, by Col. C. G. 

 Forshey of New Orleans, Cambridge, 1873. 



Buffalo — The Buffalo Society of Natural Sciences: Bulletin, vol. i., Nos. 

 1-3, 1873. 



St. Louis — The Geological Survey of Missouri. G. C. Broadhead, State 

 Geologist: Report of the Geology of Missouri, by Raphael Pumpelly, 

 State Geologist, with an Atlas of Plates, New York, 1873. 



Springfield— The Geological Survey of Illinois, A. H. Worthen, State 

 Geologist: Vol. v.. Geology, by A. H. Worthen and James Shaw; 

 Paleontology, bv A. II. Worthen and F. B. Meek, 1873. 



