CONTENTS. vii 
: Page. 
XXXII. On Octahedral Oligist Iron; by T.S. Hunt, -~— - 
XXXIV. Some Thoughts on Prof. Hosking’s Remarks on Venti- 
lation; by Samuet Wepser, - . 374 
V. On the Diluvial or Quarternary eo in ‘California ; ; 
by Professor James Buaxe, F.R.C.S.,M.D., — - - 385 
XXXVI. Two New Minerals from Monroe, Seanee Co. ; by 
Cartes Urnam Sueparp, M.D.,_ - - - 392 
XXXVII. On the Determination of Phosphoric Acid by Moly 
date of Ammonia; by Wm. J. Craw, - 393 
XXXVIII. On the Fruption of Mauna Loa in 1851; “from a te 
ter to Rev. C.S. Lyman, by Rev. T. Coan, - - - 395 
oe Notice of some large Trees in Western New York ; a 
S. B. Bucktey, . - 397 
XL. On Lettering figures of ies. ; . pote D. bos. - 399 
XLI. Bismthyl, (Bismuth-ethyl,) a new Organic Radical con- 
taining Bismuth; by D. Breep, M.D., — - - - - 404 
XLII. Notice of a work entitled Petrifactions and their Teach- 
ings, or a Hand-Book to the Gallery of Organic Remains of 
the British Museum; was Gipzon AtcerNnon Mantetu, Esq., 
LL.D., F.R.S - ‘ adi ot ware OT 
SCIENTIFIC INTELLIGENCE. 
istry and Physics——Optical Properties of Isomorphous Substances, 409.—On 
the double refraction produced by compression in Crystals belonging to the reg- 
ular system: Researches on Crystallization in the dry way, 411—New mode 
of preparing Nitrogen and Chlorine: Researches on Populine, j.-Chaianry 
of Perfumery: Note respecting the Dimensions and Refracting Power of the 
Eye, by Prof. J. D. Forges, 413. 
Mineralogy.—Allanite from West Point, by Dr. C. Brrncemann, 416.—On the oc- 
currence of Crystalline Zinc Oxyd as a Furnace product in New Jersey, by Mr. 
W. P. Brake, 417.—On Carrollite, a new Cobalt Mineral, by Wa. L. Fazer, 
, 418. ‘ Teartpiion of two New Minerals and a New Earth, hy Davip D. Owen, 
“M.D. , 420.—Hauslab’s Crystaltheory of the Globe, 423. 
ae and Zoology.—Kunze; Supplemente der Riedgraser (Carices) zu Chr.. 
kuhr’s Monographie, &c: Pritzel; Thesaurus Literature Botanice omnium 
besten inde a rerum Botanicarum initiis ad nostra usque tempora, quindecim 
‘millia operum recensens, 424.—Martius; Flora Brasiliensis : Zoological Notes 
from the Correspondence of Professor Acassiz, 425. 
Astronomy.—Denial of the supposed New Planet: Third Comet of 1851, 426. 
Aurora Borealis.—Great Aurora Borealis of February 19, 1852, by Professor — 
D. Otmstep, 426.—Aurora Borealis of February 19, 1852, by Professor D. 
430. 
ooD, 
