10 PUBLICATIONS OF 



Report of the Commissioner of Patents to the Senate, at the 1st 

 Session of the 36th Congress. Yol. I. 18C2. 4to. pp. 1270. 

 (Yol. II. is in press.) 



This work is published as a Congressional document. 



87. Coffin. — Psychrometrical Table for Determining the Force 

 of Aqueous Yapor, and the relative Humidity of the Atmosphere 

 from Indications of the Wet and the Dry Bulb Thermometer, Fah- 

 renheit. By James H. Coffin, A. M. 1856. 8vo. pp. 20. (M. C. 

 i.) Price 10 cents. # 



19. Guyot. — Directions for Meteorological Observations, in- 

 tended for the First Class of Observers. By Arnold Guyot. 1850. 

 8vo. pp. 40. (Out of print.) 



19. Directions for Meteorological Observations and the Regis- 

 try of Periodical Phenomena. 1860. 8vo. pp. 70. (M. C. i.) 

 Price 25 cents. 



31. Guyot. — A Collection of Meteorological Tables, with 

 other tables useful in practical meteorology. Prepared by order 

 of the Smithsonian Institution. By Arnold Guyot. 1852. 8vo. 

 pp. 212. Price $1 25. (Out of print.) 



31. Guyot. — Tables, Meteorological and Physical, prepared 

 for the Smithsonian Institution. By Arnold Guyot, P. D. f LL.D. 

 Second edition, revised and enlarged. 1859. 8vo. pp. 634. (M. 

 C. i.) Price $2. 



83. Meech. — On the Relative Intensity of the Heat and Light 

 of the Sun upon different Latitudes of the Earth. By L. W. 

 Meech. November, 1856. 4to. pp. 58, and 6 plates. (S. C. ix.) 

 Price 75 cents. 



81. Olmstead. — On the recent Secular Period of the Aurora 

 Borealis. By Denison Olmstead, LL.D., Professor of Natural 

 Philosophy and Astronomy in Yale College. May, 1856. 4to. 

 pp. 52. (S. C. vui.) Price 50 cents. 



84. Force. — Record of Auroral Phenomena observed in the 

 higher Northern Latitudes. Compiled by Peter Force. July, 

 1856. 4to. pp. 122. (S. C. vm.) Price 75 cents. 



