ee 
CONTENTS. Vii 
25, 26. Law of Magnetic attraction and repulsion.—Soap stone, 370 
371 
27. Fibres of the Rose of Sharon, 
28. A sea Serpent, 372 
29. New publications—Journal of Natural History, 373 
30, 31. Eulogium on Simeon Dewitt.—Treatise on Mineralogy, 
consisting of descriptions of the species, with five hun- 
dred wood cuts, 374 
32, 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, 
34, 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 
36, 37. Asclepias Syriaca.—Strontian in SRE, FF Pmondago 
Co. 
38, 39. Schoharie Minerals.—-Geological Survey of Connecticut, 381 
40, 41. Uranite at Chesterfield, Masa. —Question by B. Thorn- 
ton, L. S., New York, 
42. Chromate of iron, 383 
CHEMISTRY. 
1, 2. Phloridzin, a new substance.—Preparation and analysis 
of some essential oils, 
3, 4. Oil extracted from the Spirit of Wine of Potatoes.— 
Phosphate of lime in the teeth and Silica in the skin of 
the Infusoria, 
GEOLOGY. 
1. On the proofs of a gradual rising of the land in certain parts 
of Sweden, 387 
3. Discovery of Saurian Bones in the Magnesian Conglom- 
erate near Bristol.—On the origin of the erratic blocks of 
the north of Germany, 
4. Analysis of the fossil tree seen at present imbedded in the 
sandstone at Craigleith Quarry, 
5. Wollaston Medal, 391 
9 
MINERALOGY. 
1, 2, 3, 4. Triphylme, a new mineral.—Hydroboracite, a new 
mineral.—Diamonds at i of Greenland, 394 
