251 
By the Joint Committee of the American Philos. Society 
and the Franklin Institute. Printed for the Committee, 
1837. Philadelphia. 8vo, p. 7. 
1837 Espy: Hints to Observers on Meteorology. By James P. 
Espy, Meteorologist. Philadelphia, July 7, 1837. 8vo, 
pp. 12. 
1840 Lawson: Army Meteorological Register for the years 1826 
to 1830. By Thomas Lawson, M.D., Surgeon-General. 
Philadelphia, 1840. 8vo, pp. 161. 
1840 Forry: Statistical Report on the Sickness and Mortality of 
the Army of the United States. By Samuel Forry, M.D. 
Washington, 1840. 8vo, p. 346. 
1841 Espy: The Philosophy of Storms. By James P. Espy, A.M. 
Boston, 1841. 8vo, pp. 552. ‘‘ Artificial Rains,’’ pp. 492— 
518. 
1840 Hare: Communication Faite a la Societe Philosophique 
Americaine, dans une de ses Seances de 1839, au sujet des 
Trombes, et relativement a un Memoire de Mr. Peltier 
sur la cause de ces Meteores, par Robert Hare, M.D. 
Philadelphia, 1840. pp. 12. 
1840 Hare: A verbal communication from Dr. Hare respecting 
experiments as to the heating and cooling influence 
of changes in the density of the air. By Dr. Robert 
Hare, to the American Philosophical Society. July, 1840. 
Philadelphia. pp. 6. 
1841 WuirE; On the Theories of the Weather Prophets and the 
Comparative Success of their Predictions. By W. H. 
White, Secretary to the Meteorological Society. London, 
1841. pp. 16. 
1843 Howarb: Climate of London. Latest edition. 
1843 Loomis: On Two Storms in the United States, in February, 
1842. By Elias Loomis, Hudson, Ohio, 1843. 4to, 
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ings of American Academy. 
1843 NicoLLeT: Report and Map of the Hydrographical Basin of 
the Mississippi. By J. N. Nicollet. Washington, 1843- 
Senate Document, 26th Congress, 2d Session. 
1844 AMERICAN ALMANAC: Second series, 1839 to 1850. Meteor- 
-1850 ological Observations from 12 Stations in American 
