450 





INDEX. 



Verbs, tenses Of, 236 

 Vibrations, modes of, 406 

 Vigors, Mr., 131 

 Viper, its fecundity, 218 



W. 



"Wales, population of, 216 



Wal-tisch, or Wallow-fish, 355 



Warsaw, arsenal at, 194 



Watch, transparent, 191 



Water, freezing, expansive force of, 194 



— its decomposition by heat, 412 

 Water-mills, mode of transferring their 



power to locomotive engines, &c. 178 

 Waterworth, Mr., experiments of, 84 

 Watson, Bishop, 376 

 , Mr., his plan for preventing 



ships foundering at sea, 189 

 Watts, his logic, 371 

 Weber, Professor, 292 

 Wells, Dr., 171 

 Weslar, M., on the properties of silver, 



210 

 Weston, C. H., Esq., statement of, 161 



— on the reciprocal action of indigo 



and the fixed oils, 243 

 Wheatstone, Mr., 190 — tonometer of, 



397— his symphonum, 398 

 Wi Hugh by and Ray, ichthyologies of, 



355, 356 

 Willughby's Historium Piscinm, 137 

 Wilson, M., 203 

 Wilton, Rev. Mr., on the geology of 



the shore of the Severn, 64 



Windsor Castle, 75 

 Wine-bottles, strength of, 408 

 Wohler, M., on formic acid, 211— on 



the decomposition of urea at high. 



temperatures, 426 

 and Liebeg, their analysis of 



mellitic acid, 413 

 WoUaston, Dr., his discovery of the! 



cystic oxide calculus, 30, 35, 40— 



his double microscope, 189 — com* 



mentary on his microscopic doublet, 



248 

 Wood, Mr. George, 2 



Y. 



Yarrell, Mr., 294, 296 

 Yaruros, language of the, 307 

 Year^ Alexandrian, 354 

 Young, Dr., discovery of. 111 — his col- 

 lection of hieroglyphics, 350 

 , Thomas, 300 



Z. 



Zach, Baron de, letter to, 219 

 Zantedeschi, M., on the effects of solar 



light upon magnets, 196 

 Zend language, alphabet of, 311 

 Zier, M., on the development and 



growth of cantharides, 436 

 Zinc, sulphuret of, 419 

 Zoological Society, museum and gar- 

 dens of, 299 



