208 NOTES AND REFERENCES. 



160. WOOD, Heat disengaged in Chemical Combinations (Phil. Mag. 1852) 



162. ANDREWS, Phil. Trans. 1844, p. 21. 



HESS, PoggendoflPs Annalen, Bd. lii. p. 197. 



163. PAYEE, Ann. de Ch. et de Phys. vols. 39, 40 ; Comptes rendus, Paris, 



v.ol. 45, p. 56, and vol. 46, p. 337. 



169. CATALYSIS by Platinum (DOBEREIMER, Ann, de Ch. et de Phys. torn, 



xxiv. p. 93 ; DULONG and THENARD, Ann, de Ch. et de Phys. torn, 

 xxiii. p. 440). 



170. GROVE, Gas Yoltaic Battery (Phil. Mag. February 1839, and Decem 



ber 1842 ; Phil. Trans. 1843, p. 91). . 



171. MOSOTTI, Forces which regulate the Internal Constitution of Bodies 



(Taylor s Scientific Memoirs, vol. i. p. 448). 



172. PLUCKER, Eepulsion of the Optic Axes of Crystals by the Poles of a 



Magnet (Taylor s Scientific Memoirs, vol. v. p. 353). 

 Magnetic Action of Cyanite (Lit. Gaz. 1849, p. 431). 



172. MATTEUCCI, Correlation of Electric Current and Nervous Force (Phil. 



Trans. 1850, p. 287). 



173. CARPENTER, On the Mutual Relations of the Yital and Physical Forces 



(Phil. Trans. 1850, p. 751). 



174. On Effort. See BROWN, Cause and Effect ; HERSCHEL S Discourse ; 



and QUARTERLY REVIEW, June 1841. 



175. HELMHOLTZ, Muller s Archives, 1845 ; MATTEUCCI, Comptes rendus, 

 Paris, 1856 ; BECLARD, Archives de Medicine, 1861. 



189. DULONG and PETIT, Relation between Specific Heat and Chemical 



Equivalents (Ann. de Ch. et de Phys. torn. x. p. 395). 

 189. NEUMANN, Poggendorff s Annalen, Bd. xxiii. p. 1. 

 AVOGADRO, Ann. de Ch. et de Phys. torn. Iv. p. 80. 



