408 



INDEX. 



Periclase, a new mineral, 212. 



Phillips' Mineralogy, Alger's edition of, 

 203. 



Phosphorus, isomeric acids of, 64. 



Photographic process, remarkable, 393. 

 chromatype, a new, 396. 



Pickeringite. description and analysis of, 

 360. 



Pierce, E., on meteoric iron from Otsego 

 County, N. Y., 402. _ 



Plants, movements of, influenced by in- 

 digo light, 7. 



of Illinois and Missouri, 94. 

 influence of light on their growth, 

 397. 



Plummer, J. T., scraps in natural his- 

 tory, 236. 



Podiscus Rogersi, a new infusorial form, 

 137. 



Polarization of light, elliptic, 390. 



Pyrochlore, analysis of, 163. 



q 



Quadrupeds about Richmond, Indiana, 

 244. 



habits and anecdotes of, 237 

 —243. 



R. 



Rain, quantities of in S. W. of Ireland 

 and in Suffolk, England, 394. 



Rattlesnake, habits of, 44. 



Register, electro-magnetic meteorolog- 

 ical, 392. 



Reliqiuae Baldwinianae, 192. 



Reptiles of Connecticut, catalogue of, 37. 



Robinson, Dr., on the barometric com- 

 pensation of the pendulum, 393. 



Rockwell, C. H., analysis of Kyanite, 

 383. 



analysis of meteoric iron from 

 Otsego County, N. Y., 402. 



Rogers, R. E., on some new instruments 

 and processes for the analysis of the 

 carbonates, 346. 



Rogers, W. B., on fossil infusoria, 141. 

 on the analysis of the car- 

 bonates, 346. 



Rosse, Lord, notice of his large tele- 

 scope, 208. 



S. 



Sailing, solution to a case in, 79. 



Salt radicals, compound, theory of, 52. 



Salts, amphide, existence of compound 

 radicals in, 57. 



Sault St. Marie, canal around, 213. 



Sedgwick, A., letter to Prof. Elton, 403. 



Shrew, short-tailed, habits of, 327. 



Silliman, B. Jr., review of Dana's Min- 

 eralogy, 362. 



analysis of Haydenite, 379. 

 on meteoric iron from Ot- 

 sego County, N. Y., 401. 



Sillimanite and Monazite, 207. 



Sillimanite, description and analysis of, 

 382. 



Silurian fossils in Indiana, 296. 



Smoke, production and prevention of, 

 400. 



Sorex brevicaudatus, habits of, 237. 



Squirrels, larva; of Estrus in, 244. 



Stars, British Association catalogue of, 

 3S9. 



Stellite, chemical characters of, 379. 



St. Lawrence, geology of the valley of, 

 314. 



Sun's light effectual in decomposing car- 

 bonic acid gas and the alkaline carbon- 

 ates, 398. 



T. 



Taconic system of New York, 145. 



Telescope of the Earl of Rosse, 248. 



Tertiary strata of Martha's Vineyard, 318. 



Teschemacher, J. E., on the origin of 

 Guano, 203. 



Tide, extraordinary, at Arbroath, 395. 



peculiar, at Mount's Bay, Corn- 

 wall, 396. 



Tithonometer, description of, 217. 



Trap, crescent-formed dykes of, in Con- 

 necticut, Dr. Percival the original ob- 

 server, 205. 



Triceratium spinosum, a new infusorial 

 form, 139. 



Trumbull, Col. John, decease of, 216. 



Turner's Falls, fossil footmarks of, 73. 



Twining, A. C, on the parallelogram of 

 forces, 324. 



Tyrannula flaviventris, a new ornitho- 

 logical species, 274. 



minima, a new bird, 275. 



U. 



Ural, large mass of gold found in, 211. 

 V. 



Variation and dip of the magnetic needle 

 at Nantucket, 157. 



of the earth's magnetic force, 391. 

 Vegetables, action of light upon, 1. 

 Verbena, species of, 99. 



W. 



Water, spring, corrosion of lead by, 398. 



Weasel, habits of, 241. 



West, Mr., on corrosion of lead by spring 

 water passed through iron pipes, 398. 



Wines of Palestine, Syria and Asia Mi- 

 nor, analysis of, 249. 



Wisconsin, elevations in, 258. 



Zircon, specimens of in New York, 36. 

 Zoological nomenclature, Mr. Haldeman 



on, 18. 

 Zygoceros Tuomeyi, a new infusorial 



form, 138. 



