INDEX. 



Time-pieces affected by gravitation, 134 



Toad, a living one, found in a bed of 

 clay, 237 



Tondi, M. 19 



Tonnelier, M. on the diopside, a new 

 species in mineralogy, established by 

 M. Hauy, comprising two varieties 

 found hi the Piedmontese Alps by M. 

 Bouvoisin, &c. 14 



Traill,, Dr. his description of a new 

 species of whale (delphinus melasj, 

 81 — On the habits of the imber and 

 northern divers, 2 J9 



Vaixdv'uim macrocarpum^ the American 

 cranberry, method of cultivating, 2 16 



Vauque.l'm on calculi, 39, 50 



Variegation of plants, 370 



Vincent, St. botanical garden in the 

 island of, 380 



W. 



Walker, P. Esq. 79 



Watch-springs of platina, 148 



Water impregnated with fixed air, 



method of preparing, 139 

 Water of a mineral spring near Dudley, 



Worcestershire, analysed, 267 

 Watson, James, Esq. 81 

 Weights, French and English, 337 

 Welden, Mr. W. his analysis of a 

 mineral water, near Dudley, Wor- 

 cestershire, 266 

 Wemerian Natural History Society, 



proceedings in, 76, 237, 318 

 Whale, rare and new species of, 81, 

 237 



Wilkins, Mr certificate from, relative 



to Mr. Broad's gauge for measuring 



standing timber, 327 

 Willdenow, Professor, on the culture 



and generic character of the dahlia, 



227 

 Wilson, Mr. his life-boat, 22 

 Wilson, Mr. his experiments on the 



rays of light, 210 

 W. N. on the effects of gravitation on 



time-pieces, 139 — On Mr. Hayter's 



new tables in arithmetic, 261 

 Wollaston, Dr. W. H. communication 



from, on cretinism, 294 

 Wombat, anatomical structure of, 177 

 W oodrord , E. J . A . Esq . 232 

 Woodward, Dr. mistaken in supposing 



the thunder-pick to be a crystal, 69 

 Wouldhave's invention for going to sea 



in a storm, 21 

 Wright, Dr. 79 



X. 



X. on the effects of gravity on the 

 balance of a watch, compared with 

 those on the pendulum of a ,cJock, 

 134 



Young, Dr. T. his hydraulic investiga- 

 tion, subservient to an intended 

 Cronian lecture on the motion of the 

 blood, 104 — His Memoria Technim 

 for double elective attractions, 304 



Yule, Dr. 79 — His memoir on grasses 

 318 



END OF THE TWENTY-SECOND VOLUME. 



Stratford, Printer, Crown-Court, Temple-Bar. 



