Washington— Smithsonian Institution : Contrib. 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 1S73 ; 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, bv 

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

 Bureau of Education : Circular of Information, No. 1, 1S74. 

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

 1-2, 1S74; 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. 1S74; Sy- 

 nopsis of the Flora of Colorado, by Thomas C. Porter. 1S74; 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 100th Meridian, by Lieut. G. M. Wheeler, 1S74; Catalogue of 

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



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



Albany— New York State Library: 5th Ann. Report, for 1S73 ; 25th Ann. 

 Report of N. Y. State Museum of Natural History, 1873; 23d Annual 

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

 versity Convocation, 9th Anniversary, 1S72. 



San Francisco— -California Academy of Sciences: Proc, vol. v., pt. n, 

 1S74; vol. i., 1S54-1S57, 2d edition, San Francisco, 1S73. 



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

 -73; Nos. 10-11, 1873. 



Worcester— Amer. Antiquarian Society: Proc, No. 62, Worcester, 1S74. 



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

 Peabody Academy of Science: 6th Ann. Report of the Trustees for 1S73, 

 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, 1S74. 



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 1S73, No. 1. 



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 1S73. 



Ihifalo— The Buffalo Society of Nat. Sciences : Bulletin, i. 4, ii. 1-3, 1S74. 



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

 viii. 4-6, 1S74. 



Toronto— Canadian Institute : Canadian Journal, vol. xiv. 2-3, 1S74. 



