f 



/ 



J 



house, PH.D., 429.— On Turpentine Camphor, by Dr. C. List, 430— Im- 

 proved Method of preserving Milk, patented by F* II. F. Louis: On a New 

 Method for Amalgamating Zinc, by Prof. O. N. Stoddard, 431.— A Magneto- 

 Tangential Machine, by Prof. O. N.' Stoddard, 432. 



Mineralogy and Geology— Compact Diamond from Brazil, by M. Dufrfxoy: 

 Phosphorescence of the Diamond, by M. Reiss: Examination of three new 

 mineralogical Species, proposed by Prof. C. U. Shepard, by .1. D. Whitney, 

 433.— Chemical examination of some Minerals, by J. D. Whitney, 434— On 

 the Constitution of some Silicates containing Carbonic Acid, Chlorine and Sul- 

 phuric Acid, by J. D. Whitney, 4 -—Mineral Coal on the Nile: Mineral 



Coal of Vancouver's Island, North West America : Gold of Africa, 436— Ve- 

 suvius, 437. 



Zoology.— New localities of Infusoria in the Tertiary of Maryland, by Prof. J. W. 

 Bailey : The Oyster, 437, — New Discoveries of Bones of the Ignanodon, by 

 Gideon Algernon Mantell,438. — Additional Observations on the Osteology 

 of the Iguanodon and Hylaeosaurus, by Gideon Algernon Mantell, Esq., 

 LL.D., F.R.S., &c, 439— Fossil Squalid* of the United States, by R. W. 

 Gibbes, M.D., 441. 



Astronomy. — LeVerrier\s Further Vindication of his predicted theory of Neptune, 

 442. — Indication of a Method of testing Olbers's Theory respecting the common 

 origin of the small Planets, by S. Alexander, 447— New Comet, 449. 



Miscellaneous IntcUigrncc. — On Meteoric Iron in South Carolina, by Tharles 



■Upham Shkpard, 44i> j 



ological Society for 1849, held in London, 451. — Obituary. — Edward Forster, 

 Esq. : AI. Homrnaire de Hell, 451. —Dr. George Fownes : Dr. Prichard, 452. 



Bibliography. — Botanical Collections in New Mexico, and in the Rocky Moua- 

 ains: Hook r's London Journal of Botany and Kew Garden Mil lany, 452. 

 Posthumous Papers, bequeathed to the Hon. East India Compan by the late 

 Wm, Griffith, F.L. , &c: Bibliographia Zoologia* et Geologist, &c, by^ 

 BProf. L. Agassiz, 454 \ 



servatory, at th< 'iirard College, Philadelphia, made under the direction of 

 A. D. Bache,LL.D. : An Introduction to Practical Chemistry and Analysis, 

 by John E. Bowman, 455.— Gmelin's Chemistry : Transactions of the Amer- 

 i< in Ethnological Society, 456.— Verhandlungen der Russisch-Kaiseriicben 

 Mineralogischen Gese) 1st haft zu St. Petersburg, 457. 



List of Works, 457. 

 Index, 459. 



Sfaite's Eh. trie Light. 450. — Anniversary of the Ge- 



Observations at the Magm c and Meteorological O 



NOTICE. 



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