428 



INDEX. 



Sulphurous ether and sulphate of ether- 



ine, 275. 

 Sulphur springs in Delaware Co. Ohio 



73. 



Tails of Halley's comet, 142, 324. 

 Tea hills in China, excursion to, 194. 

 Terrestrial meridian, length of a degree 



of, 202. 

 Theory of the universe, 160. 

 Thilorier, liquid carbonic acid, 402. 

 , solidification of carbonic acid, 



404. 

 Tides of London and Liverpool, 333. 

 Titanium, iron, in Greece, 175. 

 Tobacco, a remedy for arsenic, 188. 

 Tortoise, new species of, 382. 

 Transactions of the Albany Institute, 



179. 

 Trilobites, 72. 



U. 



Unionidae, Conrad's, 421. 



Upham, C. W., memoirs of Rev. John 



Prince, 201. 

 Usher, P. C, elevation of the banks of 



the Mississippi, 294. 



V. 



Vaporization of liquid carbonic acid, 

 402. 



Vegetation, effects of arsenic on, 347* 



Vertebrated animals in the crag of Nor- 

 folk and Suffolk, England, 339. 



Vinegar, manufacture of, 272. 



Virginia, gold mines of, 413. 



W. 



Water, conduction of, 266. 

 Wetzel, Lewis, adventures of, 14. 

 Wheat, on the acceleration of the growth 



of, by Mr. G. Webb Hall, 345. 

 Wheeling, Indian attacks on, 4. 

 Whewell, relative level of sea and land, 



335. 

 Wilkie, Rev. D., on definitions, 88, 236. 

 Wood, G. B., the Dispensatory of the U. 



States, 406. 



Y. 



Yew tree, longevity of, 358. 



Z. 



Zinc a covering for buildings, 248. 

 Zoology of North America, report on by 

 Dr. Richardson, 343, 356, 376. 



