424 



INDEX. 



s. 



Sandstone and trap, junction of, 104. 



Say, Mr. Thomas, obituary and notice 

 of his works, 393. 



Scientific publications in United States, 

 recent, 395. 



Serapis; temple of, causes of its depres- 

 sion and elevation, 408. 



Shepard, C. U., on Ball's cave, 368. 



Microlile, a new rnin- 



eral species, 361, 



Strontianite of Scho- 

 harie, N. Y., 363. 



• rfeply to Prof. Del Rio, 



312. 



Silver of Lane's mine, analysis of, 256. 



Snake suspended by spiders, 307. 



Snell, Prof. E. S., an instrument for ex- 

 hibiting an optical deception, 310. 



Specific heat of certainsolids, method of 

 determining, 267. 



Spectacle glasses, manufactory of, 80. 



Spiders, living snake suspended by, 307 



Spontaneous combustion, 178. 



Steatite, large beds in mica slate, 341. 



, of Middlefield. Mass., 382, 



Stonesfield slate, opossum of, 412. 



Strait, H., on the application of the 

 principle of the balance, 92. 



, on theorj'' of the bellows, 



Strontianite, discovered in the United 

 States, 182, 383. 



Substitute for linen, 179 



Sumach, bi-malate of lime in the berries 

 of, 294. 



Survey, Geol. and topo. of Maryland, re- 

 port on, 1 



Swainson, Wm., exchanges in Entomol- 

 ogy, 387. 



Synopsis of the organic remains of ere 

 taceous group, U. S., by Dr. Morton, 

 notice of, 377. 



Syphon, self filling, 302. 



Telescopes, Holcomb's, comparative ex 



periments with, 185. 

 Temperature, variations of as producing 



elevations and depressions of the crust 



of the earth, 408. 

 Theory of the bellows, 88. 

 Tin, crystallized from solution, 254. 

 Tin, process for separating from antimo 



ny, 197. 

 Toronto, picture gallery of, 178. 

 Transactions Geol. Soc, Penn., 347. 



Trap and sandstone, junction of, 104. 



intersecting, &c. mica slate, 343. 



Travels in equatorial regions ot S. Am., 



by A. R. Terry, M. D., 387. 

 Trilobite, a new species, 351. 



, modern, of New South Shet- 



land, 395. 

 Turpentine, spirits of, for destroying 



worms and insects, 197. 

 Turtle, stony concretions in ovary of, 



163. 

 Twining, A. C,. meteor, observations, 



Nov. 13, 1834, 339. 



U. 



Ultra marine, artificial, 195. 



U. Slates Med. and Surg, journal, notice 



of, 180. 



Naval Lyceum, 393. 



V. 



Varnish for cast iron, 199. 

 Venice, bead manufactory at, 78. 

 Vertebral bone of a mastodon, 165. 

 Vesuvius in July, 1834, 281. 

 Vines, propagation of, 288. 

 Voltaic battery, experimental enquiry 

 into laws of, 39. 



W. 



Wallace, W. C, M. D., dissection of the 

 eye of the streaked bass, or Perca no- 

 bilis, 216. 



Water, apparatus for freezing it, aided 

 by sulphuric acid, 132. 



Weather, influence of moon on, 192. 



Weight, apparent diminution of, in cer- 

 tain circumstances, 224. 



Williams, W. H., meteorological jour- 

 nal, 173. 



Witham, Mr. H., sections of fossil wood, 

 415. 



Wood set on fire by direct rays of the 

 sun, 179. 



Worms on fruit trees, means of destroy- 

 ing, 197. 



Y. 



Yale College Cabinet, presents to, 381, 

 382. 



Library, munificent dona- 



tion to, 184. 



Z. 



Zodiacal light. Prof. Olmsted on, 415. 



