CONTENTS. 
Pag 
6, 7, 8. Heat produced by the ng of eu The seat 
of ta 1 
ste—Currents in the oce 
9. Sargasso Weeds, 
10, 11. Arrangement of Retkesiivon manufctured, ee ‘Gel 
nsumed in 
125 Importance of the discovery of the chiring of Herrings, 
CHEMISTRY. 
‘ Quantity of carbonic acid in the atmosphere, - 7 
. On the mutual action of iodic acid and morphine, 
4. ae of Ae ie: ard lodic acid—On faming nitric 
1 
by 6,;,7: ‘On an dacoingadttiun: of Water—Decomposition 0 of 
- 3 
Carbonic acid—On crystallizable Acetic acid, 
8, 9. 72) eta e e of metallic salts, - 
10. The Black S 
+4, 12. itt of Wood at low temperatures—Limits ‘te va- 
atio 
13. Ceaipeaditons of ne a - - - - = é 
14. Purple powder of Cassius, - ” - 
15, 16. Arsenic in sea salt—On chtacide of silver, 
- - 1 
#7, 18, 19, = Preparation of bromine and its hydrate—Hy- 
drate of 
an ydra 
of bromine—New a rocess for cbtaining Lithia€- 
wdering phosphor 
On 2 pow 
21, 22, 23. Preparation of sugar dine starch—Sulphate of pots. 
ash and copper—On improvement in black writing ink, 
MEDICAL CHEMISTRY. 
1. Tincture of iggy en re es 
ADDITIONAL SELECTIONS BY MR. C. U. SHEPARD. 
1, 2. Pinguite, a new argillaceous mineral—Prunnerite, - 
3, 4. New analysis of a tiie oe ee 
5. Nitrous ‘imbeihers of Tirhoo 
APPENDIX, 
An account of a large Electro-Magnetic lap ale made for the 
aboratory of Yale College, under the direction of ei 
Henry and Ten Eyck, of Albany, 
NUMBER II. 
Arr. I. a on the supposed tides of the North American 
Lake 20 
; by Major Henry Warrine, 
201 
. 
y 
Il. AN asp of the Salt Springs of Montiers,:i in the "Ta- 
rentaise, (Alps,) and of a stam method of evapo- 
ration; extracted from the Travels of a Bake se 
Esq. : Vol. I. p- 220: London, 
