510 



INDEX. 



Ure (Dr.) on the modes of wanning and 



ventilating apartments, 64. 

 Vegetables, on the classification of, .S7, 108. 

 Vegetation in a solution of arsenic, 324. 

 Veins, mineral, 394. 

 Velocity of sound in air or vapour, 220. 

 Ventilating and warming apartments, on 



the modes of, 64. 

 Vision, experiment on, 234, 370. 

 Volcanos of Asia Minor, 70. 

 Voltaic action, artificial crystals bv, 171. 

 Voltaic batteries, 63, 65 ; new, 241 ; 



charged with solution of sulphate of cop- 

 per, 244. 

 Voltaic combinations, action of electricity 



in, 281. 

 Voltaic condition of iron, peculiar, 133, 



172, 267, 276,425, 428. 

 Vulture, habits of the, 479. 

 Walton (Rev. W.) on the helm wind, 221. 

 Warming and ventilating apartments, modes 



of, 64. 

 Watson (J.), an experiment in electricity, 



326. 

 Weaver (Thos.) on the carboniferous se- 

 ries of New York and Pennsylvania, 365. 

 Welch (H.) on oblique bridges, 74. 

 Wellsted (Lieut.) on the manna of Mount 



Sinai, and the dragon's blood tree and 



aloe plant of Socotra, 226. 

 Westwood (J. O.), descriptions of new hy- 



roenopterous insects, 440. 

 Wetherell (N. T.) on the fossils of the 



London clay, an error in, 239. 

 Wheatstone (Prof.) on the thermo-electric 



spark, 414. 

 Whewell (Rev.W.) on the tides, 317, 380. 

 Wilkins (Sir C), noUce of, 148. 



Williamson ( W. C.) on the organic remain* 

 in the oolitic formations of the Yorkshire 

 coast, 137. 



Willis (Prof.) on the tabuloscriptive engine, 

 486. 



Wind, helm, on the, 221. 



Wine, aethereal oil of, 417. 



Wollaston medals, awarded to Captain P. 

 Cautley and Dr. H. Falconer, 306. 



Worm, double-bodied intestinal, 253. 



Wrottesley (Mr.), catalogue of the right 

 ascensions of 1318 stars, 227. 



X. Voluntary sounds of insects, 327. 



Xanthoinethilic acid, 488. 



Young (J. R.), formulae for the summation 

 of infinite series, 121. 



Young (J.) on a new voltaic battery, 241. 



Zoological Society, £87, 479. 



Zoology : — an undescribed ortyx, 287 j 

 birds from New South Wales, 287, 306 ; 

 rare birds in the vicinity of Scarborough, 

 287; Tinamotis Pentlandii, 289; Ta- 

 matia bicincta, 290 ; new species of 

 Cursorius, 290 ; notes on the kinka- 

 jou, 290 ; three-quarter-bred pheasants, 

 292 ; birds from Swan River, 293 ; notes 

 on some mammalia, 293 ; proposed new 

 genus in the group of wrens, 295 ; the 

 Sumatran and Bornean orang-utans, 

 295 ; birds from Asia Minor, 301 ; Ar. 

 gonauta, Linn., 303 ; the koba and kob 

 of Buffon, 303; fox of the Himalayan 

 mountains, 304 ; habits of the cuckoo, 

 305 ; habits of the vulture, 479 ; new 

 species of the genus Felis, 480 ; ana- 

 tomy of the koala, 481 ; on the seals of 

 Ireland, 487. 



END OF THE TENTH VOLUME. 



iPrintcd by Kit-hard and Jol 



urt, Fleet Street, 



