INDEX. 



495 



formation of the south-east of En- 

 gland, 305. 



Uterus, on the nerves of the gravid, 

 189. 



, on the nervous ganglia of the, 



321, 395. 



Utting (A.), hourly meteorological ob- 

 servations made at Plymouth, 303. 



, barometrical observations made 



at Yarmouth, 369. 



Vacuum, relations of a, to electrical 

 phenomena, 55. 



Van Diemen's Land, magnetic and 

 meteorological observations at, 298, 

 374, 378, 380. 



Vegetable colours, effect of the spec- 

 trum on, 208, 393. 



decomposition, inflaence of ni- 

 trogen in promoting, 148. 



impregnation, Mr. Brown's dis- 

 coveries in, 173. 



tissues, on a new theory of earthy 



bases of, 52. 



Vegetables, on the ascent of the sap 

 in, 432. 



Vibration of the pendulum, 78. 



Victoria, Queen, the address on the 

 occasion of receiving Her Majesty's 

 signature as Patroness of the Royal 

 Society, 69. 



, the address of congratulation to 



Her Majesty on the occasion of her 

 marriage, 203. 



, address of congratulation to Her 



Majesty on the occasion of the trai- 

 torous attack made upon her life, 

 237. 



— — , address of congratulation to Her 

 Majesty on the birth of the Princess 

 Royal, 281. 



, address of congratulation to Her 



Majesty on the birth of the Heir to 

 the Throne, 332. 



, address of congratulation on the 



providential escape of Her Majesty 

 from the attack of an assassin, 391. 



, address of condolence to Her 



Majesty on the occasion of the de- 

 mise of H.R.H. the Duke of Sus- 

 sex, 463. 



Vignolles (Prof.), an original portrait 

 of Sir Isaac Newton presented to 

 the Royal Society by, 296, 333. 



Vigors (N. A.), notice of the late, 261. 



Viola tricolor, action of light on a so- 

 lution of, spread on paper, 393. 



Vision, binocular, on some remarkable 

 phenomena of, 76. 



, single, with two eyes, on, 199. 



Vitreous humour, a non-vascular ani- 

 mal tissue, 310. 



Vivian (Lord), notice of the late, 415. 



Voltaic battery, Prof. Daniell's con- 

 stant battery a new form of the, 23. 



— Prof. Daniell's dissected battery, 

 24. 



battery, constant, account of the 



effects of a large, 147. 



battery, on the possibility of ob- 

 taining a spark before the circuit 

 is completed, 193. 



battery, gas, on the, 463. 



circuit, reduction of metals from 



solutions of their salts by the, 447. 



circuit, new instruments and pro- 

 cesses for determining the constants 

 of a, 469. 



combinations, on, 23, 43, 147, 



383, 384. 



electricity, contact theory of, 200, 



215 ; chemical theory of, 201 ; che- 

 mical and contact theories compared, 

 202 ; on the production of heat by, 

 280. 



pile, source of power in the, 200, 



213. 



Walton (Rev. W.), meteorological 

 journal kept at AUenheads, with re- 

 marks on the rain-guage, 221, 297, 

 371. 



Water, on the relative attractions of 

 sulphuric acid for, 81. 



Watson (H. H.) on the relative attrac- 

 tions of sulphuric acid for water, 81. 



Weddle (T.) on a new method of sol- 

 ving numerical equations, 300. 



Wellstead (Lieut.), notice of the late, 

 419. 



West Indies, magnetical observations 

 made in, 4. 



Wharton (W. L.) on intermitting 

 springs, 43. 



Wheatstone (Prof.) on some remark- 

 able and hitherto vmobserved phe- 

 nomena of binocular vision, 76. 



, description of the electro-mag- 

 netic clock, 249. 



' , a Royal medal awarded to, 255. 



, account of new instruments and 



D 



