Washington — Smithsonian Institution : Conlrib. to Knowledge, vol. xix. ; 

 Smithsonian Report for 1872 ; Miscellaneous Collections, vols, x., xi. 

 and xii. 

 U. S. Naval Observatory : Astronomical and Meteorol. Observations 

 for the year 1873 ; Instructions for Observing the Transit of Venus, 

 Dec. 8-9, 1874. 

 The Chief of Engineers U. S. Army : Annual Report of the Chief of 

 Engineers U. S. A. to the Secretary of War, for 1873 ; Report of the 

 Effect of Sea-water and Exposure upon the Iron Pile Shafts of the 

 Brandywine Shoal Lighthouse, by Col. John D. Kurtz and Capt. M. 

 R. Brown, U. S. Engineers, 1874; Report of Commissioners on the 

 Irrigation of the San Joaquim, Tulare, and Sacramento Valleys, Cal., 

 1874; Report on the Compensating Strength of Building Stones, by 

 Lt.-Col. Q^ A. Gilmore, U. S. Engrs , 1874. 

 Bureau of Education: Circular of Information, No. i, 1874. 

 U. S. Geological Survey — Dr. F. V. Hayden, Director: Bulletin, No. 

 1-2, 1874; Map of the Sources of Snake River and Tributaries, by 

 G. A. Boeckler and James Stevenson, 1874; Map of Montana and 

 Wyoming Territories, by Henry Gannett and Adolph Burch, 1874; 

 Descriptive Catalogue of Photographs, by W. H.Jackson, 1874; Sy- 

 nopsis of the Flora of Colorado, by Thomas C. Porter, 1874; Map of 

 Lower Geyser Basin of the Upper Madison River, by G. A. Boeckler, 

 1874; Report of Ornithological Specimens, collected in 1S71-2-3, W. 

 of the looth Meridian, by Lieut. G. M. Wheeler, 1874; Catalogue of 

 Plants of same, with Descriptions of New Species, 1874. 



Jthica — Cornell University: Bulletin, vol. i., Nos. 1-2, Ithica, N.Y., 1874. 



Albany — New York State Library : 5th Ann. Report, for 1873 ! 25th Ann. 

 Report of N. Y. State Museum of Natural History, 1873; -3^ Annual 

 Report of the N. Y. State Cabinet of Nat. Hist., for 1869; Proc. Uni- 

 versity Convocation, 9th Anniversary, 1872. 



Sa7i Ffttiictsco — California Academy of Sciences: Proc, vol. v., pt. 11, 

 1874; vol. i., 1854-1857, 2d edition, San Francisco, 1873. 



Nexv York — Lyceum of Natural History: Annals, vol. x., Nos. 6-9, 1872 

 -73; Nos. lo-ii, 1873. 



Worcester — Amer. Antiquarian Society : Proc, No. 62, Worcester, 1874. 



Salem — Essex Institute : Bulletin, vols, v.-vi, 1-8, 1874. 



Peabody Academy of Science : 6th Ann. Report of the Trustees for 1873, 

 Salem, 1874. 



Minneapolis — Minnesota Academy of Nat. Sciences: Bulletin for 1874; 

 2d Ann. Report of the Geology and Natural History of Minnesota 

 for 1873, by N. H. Winchell, State Geologist, and S. P. Peckham, 

 Chemist, 1874. 



Baltimore — Peabody Institute : 7th Annual Report to Trustees, by N. H. 

 Morison, LL.D., Provost, 1874. 



New Orleans — New Orleans Academy of Sciences : Annual Report of the 

 Board of Health of New Orleans for 1873, No. i. 



Cambridge — Museum of Comparative Zoology: Annual Report of the 

 Trustees, with Report of the Directors, for 1872 ; Report of the Trus- 

 tees on the Organization and Progress of the Anderson School of 

 Nat. History at Penikese Island, for 1873; Ann. Report of Trustees of 

 the Museum of Comparative Zoology for 1873. 



Buffalo — The Buffalo Society of Nat. Sciences : Bulletin, i. 4, ii. 1-3, 1874. 



Montreal — Natural Hist. Society: Canadian Naturalist and Proc, vol. 

 viii. 4-6, 1874. 



Toronto — Canadian Institute : Canadian Jpurnal, vol. xiv. 2-3, 1874. 



