Index. 



485 



Veins, mineral, descriptian of, 350. 

 Wi viva, theore.ris and problems to 



ehicidate, 464. 

 Vision, defective, remedies of, 71. 

 Vinr.n. experiments on, 23, 73. 

 Volcano near St. Michael, account 



of, LI. 



VoUa's theory of the excitement of 



galvanic electricity, 464. 

 Voixiitiog ejiplained, 429, 

 Yon Buch on a fonriation at Locle, 



193. 



Urea, quantity of, in diabetic urine, 

 S9. 



Urine, djabefic, experiments on, 27. 

 , specific gravity of, 29. 



W. 



Wales, population of, at different 

 times, 4i. 



Ware, Mr. on the remedies of defec- 

 tive vision, 71. 



Water of Ratiiboue-place, analysis of, 

 10, 



W'ater, composition of, discovered, 

 12. 



Waterworth, Dr. on a chalj'beate 



fpring in the Isle of Wight, 447. 

 V/eiglUSj tables of, 452. 



Wells, Dr. on a woman from wliite 

 parents, part of whose siisn was 

 black, 382. 



Werner's uiineralogicai method vindi- 

 cated, 241. 



Wernerian classification of rocks de- 

 fended, 201. 



— geognosy blamed, 415, 



- — ■ — Natural History Society, 



proceedings of, 149, 



Wiiale, Greenland, account of, 51— 

 organs of hearing of, 56. 



Wilson, Mr. Daniel, on a new triple 

 salt, 3'65, 



Wire, how drawn very fine, 224, 



Wollaston, Dr. W. Hyde, on the 

 primitive crystals of carbonate of 

 lime, bitter s])ar, and iron spar, 

 31 — on the constitution of bodies 

 having the octahedral form, 71---* 

 on freesing at a distance, 73— on 

 the periscopic camera obscura and 

 microscope, 211 — on drawing very 

 fine wire, 224. 



Vf oorara, action of, on animals, 



Woulfe's apparatus, improved, 68* 



Z. 



Zmcane, account of, 60, 

 1 Zircon, 103, 



END OF VOL. I» 



C. naldwin. Printer, 

 New Fxrige-stteel, London. 



