CONTENTS. vii 
Page 
3. Extract from the 7 gema n ——* of Prof. — 
kept at New Orleans, 
4. Properties of liquid Gabon bet . - a 
5. Solidification of carbonic acid, - - - - - 404 
6. Exchanges of objects in natural history, - 405 
7. The a of the United States of Americ, - 406 
8. Antiquities, - 408 
9. Agency for Patents, at the city of ‘Weashingtes, - 411 
10. Excursions to Cairo, Jerusalem, Damascus and Balbec, Me 412 
11, 12, 13. Gold mines of een in Sraaeasined® 
New work on Mineralogy, - 41 
14. Statistical view of chemical sadhana: - - 414 
15. History and proceedings of the Mechanics’ Institute of the 
city of New York, - - 415 
16, 17. Minerals, ores, mines, &c. examined —Minealogical and 
geological collections, 418 4 
18. Geology and wasps PER ae with ape to Neto- " 
ral Theology, - 419 
19, 20, 21, 22. Lyceum of New Votkaih Bynopdid of thi family 
of Naiades—Conrad’s Unionide, &c.—Obituary, - 
