4S0 



Index. 



Vauquelin's analysis of the chyle of 

 the borse, S20. 



Veins of Cornwall described, 67. 



Ulmin, new variety of, 11 — from the 

 elm, 229— observed by Berzelius, 

 314 -pure, properties of, 395— 

 from the horse-chesnut, 396, 



Uric acid, on, 57. 



Urine, analysis of, 416. 



, deposite from, 419. 



W. 



Ware, James, Esq. on near-sighted 



persons, 228. 

 Web-ter, Mr. account of a fresh- 



water formation in the Isle of 



"Wight, by, 156, 466. 

 Wight, Isle of, fresh-water formation 



in, 156. 

 Wildbore's demonstration of Lawson's 



geometrical theorems, 58. 



Wires, very fine, method of drawinf , 

 23.?. 



Wollaston, Dr. W. Hyde, on the ele- 

 mentary particles of crystals, 229 

 — on a method of freezing at a dis- 

 tance, 230 — on drawing very fine 

 wire, 233 — single lens micrometer, 

 by, 234 -Letter from, 316 — scale 

 of chemical equivalents, by, 463. 



Wood, vinegar from, 236. 



Worm in bees, 308. 



Young, Dr. Thomas, on the measure- 

 ment of minute particles, 115, 192. 



Z. 



Zinc, on the oxide of, 410. 



END OF VOL. II. 



ERRATA IN THE FIRST EDITION 01 VOL. 1. 



P. 47, line 9, for " Alumina 3-500" read " 2136." 

 P. 48, liae 6, for " Nickel 3'623 " read " 7-305." 

 P. 51, line 16, for " Deutoxide of Nickel 5623 " rend " 9-305." 

 P. 51, line 17. for " Peroxide of Nickel 6623" read " 10-305." 

 P. 338, Exper. I. and II. dele " Example of oscillation above-men- 

 tioned."' 



P. 338, Expcr. IV. line 4, col. 3. for " 3-00 " read " 400;" and after 

 " Exan.pleof oscillation above-mentioned," odd "p. 3.J6, note." 



P. 340 line 4 from bottom, and p. 341, line 7 from top, far 4i in a givea 

 time," read " at a given time." 



P. 343, line 23, fir " one per cent." read " one-tenth pi r cent." 

 P. 344, line 9, for " three or four pints," read " three or four parts." 



C. Baldwin, Frinter, 

 New Bridge Street, London. 



