496 



INDEX. 



processes for determining tbe con- 

 stants of a voltaic circuit, 469. 



Whewell (Rev. W.), a Royal medal 

 adjudged to, 6, 24. 



, researches on the tides, G7, 72, 



152, 153, 217, 242. 



- on the deduction of the laws of 

 the tides, from short series of obser- 

 vations, 72. 



on the laws of low water at Pl}^- 



mouth, and on the permanency of 

 mean water, 152. 



on tide observations made in the 



Indian seas, 153, 217. 



■ on the laws of the rise and fall of 

 the sea's surface during each tide,242. 



Wickham (Capt.), observations of the 

 dip and intensity, made between 

 England and Australia, 212. 



Wilkins (Prof.), notice of the late,176. 



William IV"., notice of his late Ma- 

 jesty, 5. 



Williams (J.L.), notice of the late, 95. 



Willis (Dr. R.) on the special function 

 of the skin, 445. 



on the import and office of the 



lymphatic vessels, 448. 



Wilmot (F. E.), meteorological obser- 

 vations taken at the Cape of Good 

 Hope, 374, 380. 



Wilson (E.) on the structure and de- 

 velopment of a newly discovered 



parasitic animalcule of the human 



skin, 455. 

 Wind table, from observations taken 



at Gibraltar, 432. 

 Wood (Lieut.), discovery of the source 



of the Oxus, 83. 

 Wordley (Rev. G.), notice of a shock 



of an earthquake in one of the Scilly 



Islands, 122. 

 Vfork of a machine, 318. 

 Wvattville (Sir J.), notice of the late, 



262. 



Yarniouth, barometrical observations 



made at, 369. 

 Yelk, the proper membrane of the, in 



mammals, 76. 

 Yelloly (Dr.), biographical notice of, 



415. 



Yorke (Lt.-Col. P.) on electro-chemi- 

 cal equivalents, 232. 



, barometrical observations show- 

 ing the effect of the direction of the 

 wind on the difference between dis- 

 tant barometers, 386. 



Young (J. R.) on the curvature of 

 surfaces, 112. 



Younghusband (Lieut. C.W.), meteo- 

 rological observations taken at To- 

 ronto, 380. 



Xanthorrhoea hastilis, acaroid resin 

 from, 163. 



END OF THE FOURTH VOLUME. 



PRINTED BY RICHARD AND JOHN E. TAYLOR, 

 RED LION COURT, FLEET STREET. 



i... 



