4 LIST OF PUBLICATIONS 



other rivers. By Charles Ellet, Jr. 1850. 4to., pp. 64, 2 wood- 

 cuts, 1 plate. (S. C. II.) 



14. A Memoir ou Mosasaurus, aud the three Allied New Genera, Holcodus, 



Conosaurus, and Amphorosteua. By Robert W. Gibbes. Novem- 

 ber, 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.) 



16. The Classification of Insects from Embryological Data. By Louis 



Agassiz, 1850. 4to., pp. 28, 8 woodcuts, one plate of 23 figures. 

 (S. C. II.) 



17. Slemoir on the Explosiveuess of Nitre, Avith a view to elucidate its 



agency in the tremendous explosion of July, 1845, in New York. 

 By Robert Hare. 1850. 4to., pp. 20. (S. C. ii.) 



18. Report on the History of the Discovery of Neptune. By Benjamin 



Apthorp Gould, Jr. 1850. 8vo., pp. 56. 



19. Directions for Meteorological Observations, intended for the first class 



of observers. By Arnold Guyot. 1850. 8vo., pp. 40, 9 woodcuts. 



20. Microscopical Examination of Soundings, made by the United States 



Coast Survey off the Atlantic coast of the United States. By J. "VV. 

 . Bailey. January, 1851. 4to., pp. 16 and 1 plate of 68 figures. 

 (S. C. n.) 



21. Fourth Annual Report of the Board of Regents of the Smithsonian 



Institution, for the year 1849. 31st Congress, 1st Session. Senate 

 Miscellaneous No. 120, 8vo., pp. 64, with appendix of 207 pp. 

 House of Representatives Miscellaneous No. 50. 1850. 8vo., pp. 

 272. 



CONTKNTS. 



Eeport of Prof. J. Henky, iuid Proceedings of the Board. 



Gray, Asa. Account of Lindheimer's, Fendler's and Wright's botanical 



explorations in New Mexico and California. 

 Agassiz, Louis. On the formation of a museum. 

 List of meteorological observers. 



Jewett, C. C. Report on library and catalogue system. 

 .Tewett, C. C. Report on public libraries of the United States. 



22. Plantai Wrightianaj Texano-Neo-Mexieanoc. By Asa Gray. Part I. 



March, 1852. 4to., pp. 146, 10 plates of 127 figures. (S. C. iii.) 

 An account of a collection of plants made by Charles Wright in West- 

 ern Texas, New Mexico, and Sonora, in the ycar.s 1851 and 1852. 



23. Microscopical Observations made in South Carolina, Georgia, and 



Florida. By J. W. Bailey. 1851. 4to., pp. 48, 3 plates of 83 

 figures. (S. C. ii. ) 



