494 * CATALOGUE OF PUBLICATIONS. 



2. iSmithsonian Contributions to Knowledge. Vol. I. 1848. 4to., pp. 



;3G(>, 207 woodcuts, 48 plates. 



Contents. 

 Squiei: and Davis. Aucieut Monumouts, Mississippi Valley. No. 1. 



3. Ilesearches relative to the Tlauet Neptune. By Sears C. Walker. 



1849. 4to., pp. CO. (S. C, II.) 



4. Epbemeris of the Planet Neptuue ibr the Opposition of 1848. By 



Sears C. Walker. 1848. 4to., pp. 8. (S. C. ii.) 



6. Epbemeris of the Planet Neptune from the date of the LalandeObser- 

 vatiousof May 8 and 10, 1795, and for the Opposition of 1840, 1847, 

 1848, and 1849. By Sears C. Walker. A])ril, 1849. 4to., pp. 

 32. (S. C, II.) 



6. Epbemeris of the Planet Neptune ibr the year 1850. By Sears C. 



Walker. April, 1850. 4to., pp. 10. (S. C, ii.) 



7. Epbemeris of the Planet Neptune for the year 1851. By Sears C. 



Walker. December, 1850. 4to., pp. 10. (S. C, ii.) 



8. *Occultatious visible in the United State's during the year 1848. By 



John Downes. 1848. 4to., pp. 12. 



9. *Occultatious visible in the United States during the year 1849. By 



JonN Downes. 1848. 4to., pp. 24. 



10. *Occultations visible in the United States during the year 1850. By 



John Downes. 1849. 4to., pp. 20. 



11. Occultations visible in the United States during the year 1851. By 



,]oiiN Downes. October, 1850. 4to., pp. 20. (S. C, n.) 



12. On the Vocal Sounds of Laura Bridgman, the Blind Deaf-Mute at 



Boston ; compared with the Elements of Phonetic Language. 

 By Francis Lieber. 1850. 4to., pp. 32, one plate. (S. C, il) 



13. Contributions to the Physical Geography of the United States, 



Part I. vii the physical geography of the Mississippi Valley, 

 with suggestions for the improvement of the navigation of the 

 Ohio, and other rivers. By Charles Ellet, Jr. 1850. 4to., 

 pp. 04, 2 Avoodcuts, 1 plate. (S. C. ii.) 



14. A Memoir on Mosasatirus, and the three Allied New Genera, Hoi- 



codus, Conosaurus, and Ami^horosteus. By Egbert W. Gibbes. 

 November, 1850. 4to., pp. 14, 3 plates of 28 figures. (S. C, ii.) 



15. Aboriginal Monuments of the State of New York. Comprising the 



results of original surveys and explorations; with an illustrative 

 appendix. By E. G. Squier. 1850. 4to., pp. 188, 79 woodcuts, 

 14 plates of 33 figures. (S. C, ii.) 



* These three jiapers by Mr. Downes, Nos. 8, t), 10, were not puljUsb^d in the series 

 of Contributions. 



