Index. 



483 



Varnish for wooJ, 235. 

 Vauclan, in Martinique, on, 387. 

 VauqueliD, M. on antimony, 378. 

 Ventoux, Mount, on the height of, 310. 

 Vespertilionidae, on four new genera of, 



299. 

 Vetch, Capt. on a new projection of 



the sphere, 471. 

 Vicat, M. on lime for building, 215. 

 Villefosse, M. Hdron de. La Richesse 



Mineralle, 388. 

 Vision, on a new theory of, 260. 



W. 



Ware, S. Esq. on the properties of 

 domes and their abutment arches, 448. 



Water, new machine for raising, 220, 

 304 — oxygenated, on, 378. 



Waters, spring and river, on the analy- 

 sis of, 140. 



Weaver, Mr. on the geological relations 

 of the environs of Tortworth, 57. 



Werner, Prof, biographical account of, 

 241. 



White, C. Esq. life of, 138. 



I Mr. J. on a new system of cog 



and toothed wheels, 198. 



Windmill sails, on, for propelling ves- 

 sels, 73. 



Wollaston, Dr. on the method of cutting 

 rock crystal for micrometers, 297. 



Wood, Mr. Kinder, on the callous tu- 

 mour, 203. 



Worthington, C. Esq. on tome minera 

 logical specimens from Uevunshire, 

 450. 



Y. 



Yates, Rev. J. on the limestone found 

 in connexion with the clay ironstone 

 of Staffordshire, 301. 



Youell, Mr. on the shoveller duck, 299. 



Young, Dr. T. on llie probability of 

 error in physical observations, and 

 on the density of the earth, 45. 



Dr. C. R. on tying the carotid 



arteries for head-ach, 427. 



Zach, Baron de, on aremarkablediffer- 

 ence between the celestial and terres- 

 trial arc of the meridian, 6fi — on the 

 position of La Valetta, in Malta, 69 

 — on the positions of several places- 

 in France, Switzerland, and Germa- 

 ny, 70 — on the height of the passage 

 over theSplugen, 70 — on the position 

 of Lvons, 148 — of Lucia and Mont- 

 pellier, 149— of the Isle of Elba, 152 

 — on the height of Mount Canigou, 

 309— Mont Ventoux, 310 — on the 

 po3itiitn of places in the Adriatic, 

 310. 



Zimome, on, 391. 



END OF VOL. XV. 



(;. Baldwin, Priuler, 

 New Bridre-otreet, London. 



