¥ 
il CONTENTS. 
- 
MISCELLANIES.—FOREIGN AND DOMESTIC. 
CHEMISTRY. 
Pa 
1, 2. Chloride of lime; disinfection of dead bodies—Cement for 
uniting fragments of vessels and other objects, —- 149 
3, 4, 5. Method of preventing iron and steel from cislftie AT 
make sealing wax—On the solvent power of hard waters, 150 
151 
| 6. On the limits of vaporization, : . . 
7. On the functions of vegetable life, - - . - - 153 
8, 9. Ammonia in native oxide of iron—Salicine, - - - 155 
- 10, 11. Malic acid—Manufacture of charcoal, - 156 
12, 13, 14. Potash obtained from felspar—Action of the pile on 
: ae animal souctances Chlorine an antidote to MN 
15, 16. oo ee salt a remely for aioe poiton—Tenaeity a 
vegetable life, - - 158 
71, 18, 19. Precaution | in a eee Sots Sra ana of trees 
from hares—Use of cotton in dressing wounds, —- - 
NATURAL HISTORY. 
1. To blow eggs for preservation in cabinets - a = - $6 
2, 3. Killing large insects—Improved poe ee terms, 162 
4, 5. Touchwood—Habits of the crocodile, - - - 163-4 
6. Are the songs of birds innate or acquired ? - - - 164 
MECHANICAL PHILOSOPHY. 
1,2 2. Prevention of the cracking of lamp a giving a 
fine edge to razors, lancets, &c.  - R é 
3. Interesting optical experiments, - - - - - 166 
4, 5. Hardness of lead—Power of horses, - - - 167 
6. Composition of size for illuminators, artists, ke, - - 168 
STATISTICS. 
1. Yorkshire Philosophical Society, - - . ‘ - 168 
On the fructification of the Mosses, - 4 = - TH 
NOTICE OF JOURNALS, MEMOIRS, &c. 
1. Journal of the Philadelphia College of sane. - a ite 
2. Say’s American Conchology, - 337199 
3, 4. Prof. Griscom’s address to the N nal a pecan 
Coa Cass’s address before the Alumaiof polis 
College 
oes 
