4-47 



Weights and measures, account of the 

 construction and adjustment of the 

 new standards of, ii. 254. 



Wells (W. C.), experiments on vision, 

 i. 411. 



Whale : structure of the stomach of 

 the, i. 256 ; on the organ of hearing 

 in the, i, 415. 



Wheat tainted with must, process of 

 purifying, ii. 57 ; on the Vibrio tri- 

 tici, the cause of that disease called 

 ear-cockle or purples in, ii. 179. 



Whewell (Rev. W.), general method of 

 calculating the angles made by any 

 planes of crystals, ii. 227. 



Whidbey (J.), account of the sinking 

 of the Dutch frigate Ambuscade, and 

 mode of recovery, i. 124. 



, account of fossil bones 



found in caverns inclosed in the lime- 

 stone rocks at Plymouth, ii. 60, 142; 

 on some fossil bones discovered in 

 caverns at Oreston, ii. 1 86. 



Wilson (Dr. A. P. W.) on the functions 

 of the nervous system, ii. 373. 



Wine, proportion of alcohol contained 

 in several kinds of, i. 408. 



Winter solstice of 1812, Mr. Pond's 

 observation of, i. 457. 



Wires, extremely fine, method of draw- 

 ing, i. 455. 



Wollaston (Dr.W.H.) on double images 

 caused by atmospherical refraction, 

 i. 16 ; on the chemical production 

 and agency of electricity, i. 61 ; me- 

 thod of examining refractive and dis- 

 persive powers by prismatic reflec- 

 tion, i. 90 ; on the oblique refraction 

 of Iceland crystal, i. 92 ; on a new 

 metal found in crude platina, i. 162 ; 

 on the finite extent of the atmo- 

 sphere, ii. 160; on the discovery of 

 palladium, i. 207 ; on the force of 

 percussion, i. 213 ; on fairy-rings, 

 i. 260 ; on super-acid and sub-acid 

 salts, i. 289 ; on platina and native 

 palladium from Brazil, i. 330 ; on 

 the identity of columbium and tan- 

 talium, i. 336 ; description of a re- 

 flective goniometer, i. 337 ; on mus- 

 cular action, origin of sea-sickness, 

 and advantages derived from ri- 

 ding, i. 348 ; on cystic oxide, i. 376 ; 

 on the non-existence of sugar in 

 the blood of persons labouring un- 

 der diabetes mellitus, i. 391 ; on the 



primitive crystals of carbonate of 

 lime, bitter spar, and ironstone, i. 

 422 ; on a periscopic camera obscura 

 and microscope, i. 438 ; on the ele- 

 mentary particles of certain crystals, 

 i. 446 ; on a method of freezing at a 

 distance, i. 448 ; description of a 

 single lens micrometer, i. 455 ; me- 

 thod of drawing extremelyfine wires, 

 i. 455 ; synoptic scale of chemical 

 equivalents, i. 477 ; on the cutting 

 diamond, ii. 43 ; experiments on the 

 mass of native iron found in Brazil, 

 ii. 45 ; discovery of traces of potash 

 in sea- water, ii.lll; on the methods 

 of cutting rock crystal for microme- 

 ters, ii. 124 ; on sounds inaudible 

 by certain ears, ii. 133 ; on the con- 

 centric adjustment of a triple object- 

 glass, ii. 157; on metallic titanium, 

 ii. 180; on the apparent magnetism 

 of metallic titanium, ii. 199; on se- 

 mi-decussation of the optic nerves, 

 ii. 211 ; on the apparent direction 

 of the eyes in a portrait, ii. 214; 

 method of rendering platina mallea- 

 ble, ii. 352 ; description of a micro- 

 scopic doublet, ii. 353 ; method of 

 comparing the light of the sun with 

 that of the fixed stars, ii. 355 ; on 

 the water of the Mediterranean, ii. 

 355 ; on a differential barometer, ii. 

 363. 



Wollaston (Rev. F. J. H.), description 

 of a thermometrical barometer for 

 measuring altitudes, ii. 68 ; on the 

 measurement of Snowdon, ii. 132. 



Wombat, structure of the, i. 310. 



Wood and stone, on the strength of, 

 ii. 87. 



Woodhouse (Rev. Rob.) on the neces- 

 sary truth of conclusions obtained by 

 means of imaginary quantities, i. 

 39; demonstration of a theorem re- 

 lative to the solidity of a sphere, i. 

 42; on the analytical and geome- 

 trical methods of investigation, i. 

 70 ; on the integration of differential 

 expressions with which problems in 

 physical astronomy are connected, 

 i. 150 ; on the transit instrument of 

 the Cambridge Observatory, ii. 261 ; 

 on the derangements of transit in- 

 struments by the effects of tempera- 

 ture, ii. 311. 



Wootz, experiments on, i. 183. 



