iv CONTENTS. 
MISCELLANIES.—DOMESTIC AND FOREIGN. 
- Page. 
1. Dr. Muse’s Vindication of his paper, page 71 of this No. 155 
2. On belts of evergreens, as skreens, for the garden, the orch- 
ard, vineyard, &c., - - - - - - - 158 
3. Spontaneous combustion, - - - - - - 161 
4. Preparation of chloric ether, - - - - - 163 
5. Bees, - 4 = = = ~ - = - - 164 
6. Trilobites, 4 = a “2 a 2 3 ¥ 165 
7. Diluvial scratches on rocks, - - - - - 166 
8. Mineralogy and Geology of Nova sine - ~ - 167 
9. Conchology, = = a s ns = 2 169 
10. A Manual of the Ornithology of the United States and Canada, 178 
11. Statistics of iron in the United States, - - - - 179 
12. Cabinet of minerals, &c., — - - - mk sik - 180 
13, 14. Historical and Philosophical Society of Ohio—Correc- 
tions in Hassler’s Logarithmic Tables, - - - 181 
15, 16. Notice of the tropical plant Guaco—Magnetism,  - 182 
17, 18. List of officers of the Academy of Natural Sciences of 
Philadelphia for the year 1832—-Amos Doolittle, the ear- 
liest American Enerayer, - - - - - 183 
19. Injury sustained by Dr. Hare from an accidental explosion of 
fulminating silver, - - = es = - = 185 
20. Abstract of a Meteorological Journal for 1831, kept at New 
Bedford, - - = = - - - 188 
21, 22, 23, 24, 25. Dr. Hare’s new process for obtaining silicon 
and boron—Greenstone dyke—Vol. IX of the Encyclope- 
dia Americana—Whirlwind storms—A report of observa- 
tions on the solar eclipse of Feb. 12, 1831. - - 189 
26, 27. Chloro-chromic acid—Effect of elasticity, - - 190 
FOREIGN. 
28. East Indian ferns, - - - - - - - 191 
CHEMICAL PHILOSOPHY. 
i. On the grease of wines, = - - = = Ps 192 
2, 3. Obesity—Premiums for chemical and medical discoveries, 194 
4. Process for hastening acetic fermentation and for preparing on 
a large scale, and in an economical manner, strong vine- 
gar in forty eight hours, - - - - - 195 
5. Nutritious quality of gelatine, —- - - - = 
197 
