4G0. ; INDEX. 
Vv eeprom of the first period of an ancient world ; by H. Witham, Esq. F.G.S. 
, &e. 2 
Vernon’s, “Rev. W. F.R.S. discovery of fossil bones near North Cliff, 73. “@ 
Violet ray, M. Zantedeschi on the magnetic influence of the, 152. . 
Virey, M. J.J. on the ascent of spiders in the air, 373. 
Ultramarine, M. Kuhlman on the artificial production of, 227. 
Univalves, Mr. Charles Collier’s general observations on, 230. 
Vogel, M. on the action of the solar rays on nitrate of silver, 306. 
Ure’ S3 ’ Andrew, M.D. &c. new system of geology, reviewed, 118. 
Urea, preparation of, by M. Henry, 471. 
. WwW 
Wallich’s Plante Asiatice rariores, noticed, 310. 
Wallroth’s, M.F.G. history of the genus Rosa, noticed, 3138. 
Wernerian Natural one! Society, on the present state of the, 352. Proceed- 
_ings of, 315, 396, 476. 
West’s, Capt. expedition to the interior of Africa, 62. 
Wrest Indies, scientific expedition to the, 63. 
W ha-ra-rai, in Owhyhee, Mr. Menzies’ ascent and measurement of, 312. 
* Whidah bird, (Emberiza paradisea,) Capt. Brown’s account of the, with fe 
gures, 341. * Additional observations on, 425. 
White’s natural history of Selborne, by Sir W. Jardine, noticed, 44. 
*. Wild swan, a new species of, 381. 
MW ilson’s illustrations of zoology, noticed, 395. 
Vitham, H. Esq. F.G.S. &c. on the primitive vegetation of the earth, 297. 
Worm found in the frontal sinus of a sheep, Mr. W. Rhind’s description of, 
with a plate, 29. 
Xx 
Aanthus Desmaresti, a new species of fossil crustacea, 146. 
. | Y 
Yorkshire Philosophical Society, proceedings of, 478. 
Z 
Zantedeschi, M. on the magnetic influence of the violet ray, 182. 
Zoological Gardens of London, notice of, 159. Resear ches in the Mediterra- 
nean, M. Rang’s, 454. 
Zoology, Baron ‘Cuvier’s report on the progress of, in the Academy of Scien- 
ces, during 1828, 293. 
LIST OF ENGRAVINGS IN ngrer Jane 
Anatina brevirostris, Plate I. Figs. 1, 2, 3, 4, p. Il. 
Central India, section through, “facing p 362. 
Crassina ovata, Plate I. Figs. 8, 9, p. 12. 
Cyclas, animal of the, p. 412. Fig. 2. 
Cyclas fontinalis, Plate I. Fi ig. 5, "6, ip 
Cyclostoma marmorea, Plate 1. Fig. 10, ee = 12. 
Cypselus unicolor, Plate V1. P. 242, 
Emberiza paradisea, winter plumage, Plate VIII. p.332. Summer plumage, 
‘Plate IX. p. 333. Spring piace, Plate X. Fig. < p- 425. Autumnal plu.. 
‘mage, Plate X. Fig..2. p. 425. . 
fielix vitrea, Plate L. Fig. 12, 13, 14, p. 12. 
Kemp’s, Mr. galvanic trough, Plate il. Fig. l. p. 17. Galvanie experiments, 
illustrations of, Plate III. Fig. 1, 2,3, p. $1. New Thermometers, Plate VIl. 
Pig. 1-2, 3 
Pisidium, dee of the, p. 412. Fig. 1. 
Prismatic form in mountain rocks, Plate V. Big: 1, 2, a p- 218. 
Rhind’s, Mr. cavitary worm, Plate II. Figs. 2 3, 4, 5. p. 29. 
Rio Colorado, Lieut. Hardy’s plan of the, Plate iV. p- 303. 
Swan River Colony, Capt. Stirling’s chart of the, Plate XI. p. 446. 

