25, 
27. 
28. 
29. 
30, 
732 
v 
34 
~~ 
CONTENTS. Vil 
Page. 
26. Law of Magnetic attraction and repulsion.—Soap stone, 370 
Fibres of the Rose of Sharon, 371 
A sea Serpent, 312 
New publications—Journal of Natural History, 31d 
31. Eulogium on Simeon Dewitt.—Treatise on Mineralogy, 
consisting of descriptions of the species, with five hun- 
dred wood cuts, 374 
33. New work by Prof. Brown of Heidelberg—Sharks 
teeth—Conrad on shells, &c.—A comprehensive system 
of Modern Geography, revised and enlarged from the 
London edition of Pinnock’s Modern Geography, and 
adapted to the use of Academies and Schools, 378 
35. Geological Report on the elevated country between 
Missouri and Red River, from an examination in 1834,— 
Report on the new map of Maryland, 379 
37. Asclepias Syriaca.—Strontian in Marcellus, Onondago 
Co. N. Y., 380 
39. Schoharie Minerals.—-Geological Survey of Connecticut, 381 
41. Uranite at Chesterfield, Mass.—Question by B. Thorn- 
ton, L. S., New York, 382 
. Chromate of iron, 383 
CHEMISTRY. 
2. Phloridzin, a new substance.—Preparation and analysis 
of some essential oils, 383 
4. Oil extracted from the Spirit of Wine of Potatoes.— 
' Phosphate of lime in the teeth and Silica in the skin of 
the Infusoria, 386 
GEOLOGY. 
. On the proofs of a gradual rising of the land in certain parts 
of Sweden, 387 
2, 3. Discovery of Saurian Bones in the Magnesian Conglom- 
erate near Bristo].—On the origin of the erratic blocks of 
the north of Germany, 389 
4. Analysis of the fossil tree seen at present imbedded in the 
_ sandstone at Craigleith Quarry, 390 
5. Wollaston Medal, 391 
MINERALOGY. 
1, 2, 3, 4. Triphylme, a new mineral.—Hydroboracite, a new 
mineral.—Diamonds at Algiers.—Allanite of Greenland, 394 
