252 
Almanac for 1844, pp. 85-93, and in each issue to the end 
of this series: viz., 1845 to 1850. 
1844 GREENHOW: History of Oregon and California, and other 
Countries of the North West Coast of North America. 
By Robert Greenhow. Boston, 1844. 8vo, pp. 482, with 
map. 
1844 Forry: Researches on the Distribution of Heat over the 
Globe, etc. By Samuel Forry, M.D. Reviewed in 
Silliman’s Journal, Vol. xlvii, pp. 18 to 50, and 222 to 
241, with isothermal chart. 
1845 GILLIss: Magnetic and Meteorological Observations made at 
Washington, July, 1838, to July, 1842, at the Observatory, 
Capitol Hill. By Lieut. J M. Gilliss, U.S.N. 8vo, pp. 
648. 
1845 Kamtz: A Complete Course of Meteorology. By L. F. 
Kemtz. Translated by C. V. Walker. London, 1845- 
8vo, pp. 595, and plates. 
1846 REDFIELD: Hurricanes and Northers. On Three Several 
Hurricanes of the Atlantic, and their Relations to the 
Northers of Mexico and Central America. By W. C. 
Redfield. New Haven, 1846. 8vo, pp. 117, and plates. 
1847 Hosss: Sailing Directions for the Mediterranean Sea. By J. 
S. Hobbs, F.R.S. London, 1847. 8vo, paper, pp. 195. 
1847 PiERcE: A Meteorological Journal of the Weather in Phila- 
delphia from January, 1790, to January, 1847. By Charles 
Pierce. Lindsay & Blakiston, Philadelphia, 1847. 8vo, 
Pp. 300. 
1847 BacHE: Magnetic and Meteorological Observations at Girard 
College, 1840 to 1845. By A. D. Bache. Washington, 
1847. 3 vols. 
1847 Dove & SaBINE: Isothermal Lines. Remarks by Prof. H. 
-1849 W. Dove, on his Recently Constructed Maps of the 
Isothermal Lines of the Globe. With an. Introductory 
Notice by Lieut. Col. Edward Sabine, General Secre- 
tary British Association for the Advancement of 
Science, 1848. London, 1849. 8vo, pp. 19. 
1848 MuLLER: Principles of Physics and Meteorology. By J. 
Muller. Lee & Blanchard, Philadelphia, 1848. Large 
8vo, pp. 638. 
1849 Guyot: Earth and Man. Lectures on Comparative Physical 
