OF THE SMITHSONIAN INSTITUTION, 7 



41. Memoir ou the Extinct Species of American Ox. By Joseph Leidy. 



December, 1852. 4to., pp. 20, 4 plates of 15 figures. (S. C. v.) 



42. Plantaj Wrightianae Texano-Neo-Mexicanse. By Asa Gray. Part II. 



February, 1853. 4to., pp. 120, 4 plates of 39 figures. (S. C. v.) 



43. Nereis Boreali- American a ; or, Contributions to a History of the Marine 



Algae of North America. By W. H. Harvey. Part II. — Rhodos- 

 permese. March, 1853. 4to., pp. 262, 24 plates, colored, of 64 

 figures. (S. C. v. ) 



44. A Flora and Fauna within Living Animals. By Joseph Leidy. 



April, 1853. 4to., pp. 68, 10 plates of 140 figures. (S. C. v.) ■ 



45. Auatomy of the Nervous System of Rana pipiens. By Jeffries Wy- 



MAN. March, 1853. 4to., pp. 52, 4 woodcuts, 2 plates of 29 figures. 

 (S. C. V.) 



46. PlantEe Fremontianae : or, Descriptions of Plants collected by J. C. 



Fremont in California. By John Torrey. 1853. 4to., pp. 24, 

 10 plates of 89 figures. (S. C. vi.) 



47. On the Construction of Catalogues of Libraries, and their publication 



by means of separate stereotyped titles. With rules and examples. 

 By Charles C. Jewett. 1852. 8vo., pp. 78. 1853. 8vo., pp. 108. 



48. Bibliographia Americana Historico-Naturalis ; or Bibliography of 



American Natural History for the year 1851. 1851. By Charles 

 GiRARD. December, 1852. 8vo., pp. 64. 



49. Catalogue of North American Reptiles in the Museum of the Smith- 



sonian Institution. By S. F. Baird and C. Girard. Part I. — Ser- 

 pents. January, 1853. 8vo., pp. 188. (M. C. ir.) 



50. Synopsis of the Marine Invertebrata of Grand Manan : or the region 



about the mouth of the Bay of Fundy, New Brunswick. By Wm. 

 Stimpson. March, 1853. 4to., pp. 68, 3 plates of 37 figures. 

 (S. C. VI.) 



51. Sixth Annual Report of the Board of Regents of the Smithsonian 



Institution, for the year 1851. 32d Congress, 1st session, Senate Mis. 

 No. 108. 1852. 8vo., pp. 104. 



CONTENTS. 



Keport of Prof. J. Hknry, and Proceedings of the Board. 



Jewett, C. C. Smithsonian library and copyright system. 



Baird, S. F. Natural history e.vplorations in the United States in 1851. 



FoREM.VN, E. Meteorological .system and correspondence. 



Leidy, .J. Report on fossils from Nebraska. 



Turner, W. W. Indian philology. 



