284 Scientific Life and Worh of H. V. EegnauU. 



lures. (Continuation of Mem. viii, of vol. xxi of the Memoires 



de rAcadeniie.) 

 (1.) Elastic Forces of Saturated Vapors in vacuo. 

 (2.) Temperature of Ebullition of Saline Substances. 

 (3.) Elastic Force of Vapors in Gases. 



(4.) Elastic Force of Vapors Emitted by Volatile Liquids Mixed 

 by Reciprocal Solution or when Superimposed. 



(5.) Researches to Determine whether the Solid or Liquid State 

 of a Body Influences tlie Elastic Force of Vapors Emitted 

 under these Different Conditions. 



[Part of this memoir is quoted in Phil. IMag., 4th Series, vols, 

 viii, ix, and xx.] 



IIL On the Latent Heat of Vapors under Different Pressures. (Con- 

 tinuation of Mem. ix, of vol. xxi of the Memoirs.) 



On the Specific Heat of some Simple Bodies, and on the Isomeric Modi- 

 fications of Selenium. Annales de Chimie et Physique. 3d Series, 

 vol. xlvi, quoted in Phil. Mag. 4th Series, vol. xii, and in Silliman's 

 Journal, 2d Series, vol. xxii. 



On the Specific Heat of some Simple Bodies. Annales de Chimie et 

 Physique, 3d Series, vol. Ixiii, quoted in Silliman's Journal, 2d Series, 

 vol. xxxiii. 



Note on a Gas-thermometer, Employed as a Pyrometer for the Measure- 

 ment of High Temperatures. Annales de Chimie et Physique, 3d 

 Series, vol. Ixiii. 



Note on Apparatus to Determine the Density of Gases and Vapors. 



Annales de Chimie et Physique, 3d Series, vol. Ixiii. [All the three 



foregoing articles are quoted in Phil. Mag., 4th Series, vol. xxiii.] 

 On the Determination of Temperatures and of Pressures in Aerostatic 



Ascensions. Annales de Chimie et Physique, 3d Series, vol. Ixiv, 



quoted in Phil. Mag., 4th Series, vol. xxi v. 

 On the Specific Heat of Thallium. Annales de Chimie et Physique, 3d 



Series, vol. Ixvii. 



Note on an Apparatus for Fractional Distillation to Obtain the Market 

 value of the Essential Oils which Originate from the Calcination of 

 Coals or Schists. Annales de Chimie et Physique, 3d Series, vol. IxviiiJ 



On the Velocity of the Propagation of Waves in Gaseous Media. Abstract 

 of Memoirs in the Memoires de 1' Academic, vol. xxxvii, quoted in 

 Pbil. Mag.. 4th Series, vol. xxxv. 



Note on the Specific Heat of Natural and Artificial Graphites. 



On the Expansion of Gases. Memoires de 1' Academic, vol. xxxi, quoted 

 in Phil. Mag., 4th Series, vol. xxxix. 



