38 



INDEX OF TECHNICAL TERMS. 



Vegetable alkali, b. 204. 

 Vertebrata, b. 478. 

 Vibrations, b, 44. 

 Vicarious elements, b. 334. 



" solicitations, a. 359 

 Virtual velocities, a. 333. 

 Vitreous electricity, b. 195. 

 Volatile alkali, b. 264. 

 Volta-electrometer, b. 299. 

 Voltaic electricity, b. 239. 



" pile, b. 239. 

 Volumes, Theory of. b. 290, 



Voluntary, violent, and natural mo- 

 tion, a. 319. 

 Vortices, a. 388. 



Week, a. 127. 

 Year, a. 112. 



Zenith, a. 181. 

 Zodiac, a. 131. 

 Zones, a. 136. 



