THE PHILOSOPHICAL MAGAZINE AND ANNALS, 1827 1832. 49 



Whewell (Prof.) on Ricardo's Principles 

 of Political (Economy, ix. 462. 



on isomorphism, in reply to Mr. 



Brooke, x. 401. 



paper on isomorphism, remarks on, 



xi. 21. 



White (J.) on cast iron bridges, xi. 

 81. 



design for the New London Bridge, 



xi. 183, 264, 333. 



, Mr. Brayley on his remarks re- 

 specting the cement used in building 

 Waterloo Bridge, xi. 301 . 



White (W. H.) on the variation of the 

 needle, vi. 153. 



Whitebait and shad, Mr. Yarrell on the 

 identity of, vi. 253. 



Williams (Rev. D.) on the caves and 

 fissures of the Western district of the 

 Mendip .Hills, x. 223. 



Williams, King, on a new paddle-wheel, 

 vii. 96 ; Mr. E. Galloway on, vii. 408. 



Willis (Mr.) on sound, ix. 462. 



Winch (Mr.) on the geology of the 

 banks of the Tweed, ix. 13, 85. 



Winch bridge, the oldest suspension 

 bridge in England, iv. 386. 



Windsor Forest, mineral springs in, 

 analysis of, vi. 148. 



Witham (H.) on the vegetable fossils 

 found at Lennel Braes in Berwick- 

 shire, viii. 16. 



on the vegetation of the first pe- 

 riod of the world, vii. 23 ; some fur- 

 ther remarks on, by Mr. Pattison, 

 vii. 185. 



Wohler (T.) on glucinum and yttrium, 

 v. 392. 



on the artificial formation of urea, 



iv. 309. 



Wollaston (Dr. W. H.), his present to 

 the Astronomical Society, vi. 66. 



, a short account of his discoveries, 



vii. 34, 228. 



on a differential barometer, v. 



305. 



on a microscopic doublet, v. 300. 



on a method of rendering platinum 



malleable, v. 65 ; vi. 1. 



method of comparing the light of 



the sun with that of the fixed stars, v. 

 377. 



on the water of the Mediterranean, 



v. 379. 



Wollastonite, xi. 190. 



Wood, alteration of the colour in, by 

 oxygen, viii. 224. 



Wood, charring of, at low temperatures, 



viii. 383. 

 Wood, strength of different kinds of, xi, 



179, 241. 

 Woolfs steam-engines, vii. 421, 424; 



viii. 305. 

 Woolrich (J.) on the use of chlorine in 



destroying fire-damp, ii. 309. 

 Writing discovered when fraudulently 



erased, xi. 304. 

 Writing ink, on, ii. 111. 



, indelible, ii. 393. 



Yarrell ( W.) dissection of a chinchilla, 



ix. 227. 

 notes on the Ctenodactylus Mas- 



sonii, ix. 449. 

 specific characters of Cygnus Be- 



tvickii&nd C. Ferus, &c, vii. 146, 194. 

 reply on the discovery of Cygnus 



Bewickii, viii. 128. 

 on the change of the plumage of 



hen pheasants, ii. 66. 

 on the identity of whitebait and 



shad, vi. 253. 

 on the organs of voice in birds, vi. 



136. 

 Yates (Rev. J.) on the formation of al- 

 luvial deposits, ix. 48. 

 Yelloly (Dr.) on urinary concretions, 



v. 224. 

 Yew, analysis of, v. 151. 

 Yorkshire, the diluvial currents of, J. 



Phillips on, ii. 138. 

 , principal beds of Ingleborough 



hill and Moughton fell in, heights of, 



iii. 13. 

 , the hills in the vicinity of Dent, 



Hawes, and Sedbergh in, heights of, 



iii. 82, 189. 

 , Phillips's Geology of, review of, ix. 



342, 430. 

 Yorkshire Philosophical Society and 



New Museum, vii. 213. 

 Young (Dr. T.), short account of the 



scientific labours of, vii. 35. 

 Young's (J. R.) elementary treatise on 



the differential calculus, review of, x. 



287. 

 Younge (R.) on DSsorme's experiments 



on currents of air, iii. 282. 

 Yttrium, v. 322. 

 Z. on Mr. De la Beche's classification 



of European rocks, vii. 189. 

 Zanthopicrite, a new vegetable colouring 



principle, ii. 69. 

 Zeagonite and Phillipsite, H. J. Brooke 



on the identity of, x. 109. 



