OF THE SMITHSONIAN INSTITUTION. 5 



24. Ephemeris of the Planet Neptune for the year 1852. By Sears C 



Walker. 1853. 4to. pp. 10. (S. C. iii.) 



25. Notices of Public Libraries in the United States of America. By Chas. 



C. Jewett. Printed by order of Congress as an appendix to the 

 Fourth Annual Report of the Board of Regents of the Smithsonian 

 Institution. 1851. 8vo., pp. 210. 



26. Smithsonian Contributions to Knowledge. Vol. II. 1851. 4to., pp. 



572, 89 woodcuts, 24 plates. 



CONTENTS. 



Walker, S. C. Researches relative to Neptune. No. 3. 



LiEBER, F. Vocal sounds of Laura Bridgman. No. 12. 



Bailey, J. W. Microscopical soundings off Atlantic Coast. No. 20. 



Ellet, C. Physical geography of the Mississippi Valley. No. 13. 



GiBBES, R. AV. Mosasaurus and three allied genera. No. 14. 



Agassiz, L. Classitication of insects from embryological data. No. 16. 



Hare, R. Explosiveness of nitre. No. 17. 



Bailey, J. W. Microscopical observations in S. C, Ga., Fla. No. 23. 



Squier, E. G. Aboriginal monuments of State of New York. No. 15. 



Walker, S. C. Ephemeris of Neptune for 1848. No. 4. 



Walker, S. C. Ephemeris of Neptune for 1846, '47, '48, '49. No. 5. 



Walker, S. C. Ephemeris of Neptune for 1850. No. 6. 



Walker, S. C. Ephemeris of Neptune for 1851. No. 7. 



Dow^NEs, J. Occultations visible in the United States in 1851. No. 11. 



27. On Recent Improvements in the Chemical Arts. By James C. Booth 



and Campbell Morfit. 1852. 8vo., pp. 216. (M. C. ii.) 



28. Fifth Annual Report of the Board of Regents of the Smithsonian In- 



stitution, for the year 1850. Special session, March, 1851. Senate 

 Miscellaneous No. 1. 1851. 8vo., pp. 145. (Extra edition of 326 pp.) 



CONTENTS. 



Report of Prof. J. Henry, and Proceedings of the Board. 



Jewett, C. C. General catalogue system for libraries. 



Baird, S. F. Report on museum, and statistics of British Museum. 



Memorial of the Regents to Congress, relative to the Smithson Fund. 



Squier, E. G. Antiquities of Nicaragua. 



Report of Commission on General Stereotype Catalogue of Pub. Libraries. 



Culbertson, T. a. Expedition to the Mauvaises Terres and Upper 



Missouri.. 

 Porter, T. C. List of plants of Upper Missouri. 

 Harris, E. List of birds and mammalia of Missouri river, 

 Culbertson, T. A. Indian tribes of the Upper Missouri. 

 Jewett, C. C. Copyright books from 1846-1849. 



29. Occultations visible in the United States during the year 1852. By 



John DowNES. 1851. 4to., pp. 34. (S. C. iii.) 



