INDEX. 



461 



hematite, Chester Ridge, Pa., 281 ; Plati- 

 num, native, in N. Carolina, 280; Sulphate* 

 ehlorid of copper, 415 ; Tautolite on north 

 shore of Lake Superior, 278. 



Minhocao, 130. 



Molecules, forms and polarity of, 366. 



■, polarization dependent on form, J. D. 

 Dana, 369. 



, attraction of, admits of various modifi- 

 cations, J. D. Dana, 371, 372. 



, attraction of, intermittent in action, J. 

 D. Dana, 378. 



, general remarks on, J. D. Dana, 382. 

 Mulder, Prof., on the changes in albuminous 

 substances during digestion, 402. 

 "" r, J., on the Zeugiodon, 421. 



N. 



Natural Philosophy for Schools, by H L. 

 t Smith, noticed, 302. 

 Nebula in Orion resolved by the Cambridge 



Refractor, 426. 

 Neptune, Prof. B. Peirce on, 132. 

 — , identity with a star seen by Lalande, 

 S. C. Walker, 133. 

 . supposed ring and satellite 287. 

 Niagara whirlpool and rapids, R. Bakewell, 



25. ' 



Nicotine, mode of determining the amount 



of, in tobacco, 272. 

 Nightwick, G., Hints to Young Architects 



by, noticed, 302. 

 Nitrates, mode of estimating, J. Pelouze, 270. 

 Nitric acid, forms detonating compound, with 



sugar, dextrine, &c, A. Sobrero, 274. 

 Nitric acetene, action of sulphuretted hydro- 



Ornithology, a new species of Columba, G. 



A. M Call, 421. 

 , on the Dodo and allied birds, H. E. 



Strickland, 422. 

 , Condor of the Cordillera, 447. 



iOtozoum, 54. 

 Outlines of qualitative analysis, Giessen, 455. 

 Owen, Prof. K., on the mammoth, 13. 

 , on the fundamental type and homolo- 

 gies of the vertebrate skeleton, 123. 

 Ozone, remarks on, J. Berzelius, 265. 

 , properties of, C. F. Schbnbein, 445. 



P. 



Page, C. G., singular property of caoutchouc, 



341. 



Paleeontographioal Society of London, 299. 



Peirce, B., on the planet Neptune, 132. 

 Peligot, E., method for determining nitrogen, 



269. 



Pelouze, J., mode of estimating nitrates, 270. 



Pendulum experiments by Bessei, 314. 



Petschora-Land, geology of, 419. 



Philosophical Society, American, Transac- 

 tions of, 148. 



, , Proceedings of, 148, 303. 



Phosphorescent fungus, 446. 



Phosphoric acid, compounds of, with aniline, 



108. 

 Photography on paper, process for, 141. 

 , application to copying microscopic ob- 



1 jects, 411. 



, Daguerreotype, different properties of 



gen on, T. S. Hunt, 350. 

 Nitrification of soils, F. Ki 



, - uhlmann, 107. 



Nitrogen, Varrentrapp and Will method for 



the determination of, E. N. Horsford, 267. 

 ' , quick method for determining, in or 



ganic substances, E. Peligot, 26J. 

 North Carolina, platina in, 2S0. 

 Morton, J. P., on the Potato disease, 70. 

 ■A ton, W. a on Terrestrial Magnetism, 1, 



207. 

 Nummulite limestone of Alabama, age of, 



C. LyeU, 186. ! 



Nutrition of animals, influence of ammonia 



on, 273. 



various solar rays in, 409. 

 Physiological Chemistry, facts in, J. Liebig, 



135. 

 Planet Neptune, Prof. B. Peirce on, 132. 

 , identitv with Lalande's star seen 



in 1795, S.C. \Valker, 133. 

 i supposed ring and satellite, 287. 



Hebe, new, discovered by Hencke, 286. 



Vesta, 37. 



Iris, new, discovered by J. R. Hind, 



425. 



O. 



Obituary notice of Ithamar B. Crawe, 300. 

 Ocean, Antarctic, Diatomaceous vegetation 



of, J. Hooker, 424. 

 Oil of Ben, fat acids of, 271. 

 ;, olive, mode of detecting its adulteration 



with rape or poppy oil, 272. 

 Orbigny, A. d\ on the Orbitolina, 2S2. 

 , work by, on the Foraminifera, noticed, 



452. 

 Orbitolina, note on, by d? Orbigny, 282. 

 Organic Chemistry, Review of Gerhardt's, 



T. S.Hunt, 93, 171. 



, homology and analogy in, 96. 



Orion, nebula in, resolved by the Cambridge 



Refractor, 426. 

 Orkney, formation of cylindrical masses of] 



snow in, 292. 

 Ornithology— Cymindis WiUonii, 285. 



Platinum, apparatus for fi ng, R. Hare, 44. 

 , native, in -North Carolina, ft U. Shep- 



ard, 2 SO. 



Polarization of light, new theory of, Prof. 



GhoUis, 412. 

 Polycistina of the Barbadoes, 416. 

 Polythalamia, d'Orbigny's work on, noticed, 



452. 



, of South Carolina, 453. 



t geographical distribution of, 452. 



Potassium, preparation of ferndcyanid of, 



271. 

 Potato disease, Prof. Harting W. 

 Prussic acid, new test for, J. Liebig, 101. 

 Pyroxyline, and analogous compounds, 140, 



, formula of, see note, 141. 



Q. 



Quinoidine, composition of, J. Li<big, 271. 



R. 



Rainbows, supernumerary, J. Brocklestnj, 



429. n . , 



Rctz s, A,, letter from, on the Zeugiodon, 



-^ 421. 



hamaja, aView genus, 1 W.Gambel, 286.1 Rhodium, apparatus for fusing, R. Hare, 44. 



