IV COKTEKTS; 



Page. 



195 

 196 



10. Notice of a locality of Arragonite, . - - - 197 



8- Protidence Franklin Society, 

 9. Circular scale ef equivalents, 



medali 



198 



12, 13. Porcelain clay — Galvanic currents, - - 19^ 



14, 15. Tennessee Meteorite — Rensselaer School Flotilla, 200 



16, 17. Production of hydro-cyanic (prussic) acid, under uncom- 



ircumstances — D 



201 



.NOTICES OF RECENT A^D FORTH-COMlNG SCIENTIFIC WORKS 



Foreign. 



1. Arcana of Science and Art: or one thousand popular in- 

 ventions and improvements, abridged from the transac- 

 tions of public societies, and from the scientific jour- 

 nals, British and foreign, of the past year, (1829.) 202 



Domestic* 



1, 2. American Ornithology — Encyclopaedia Americana, 202 



3j 4, 5, 6. The North American Medical and Surgical Journal 



i. 4 ^ 



Conversations on the animal economy — The Southern 



I 



Agriculturist, and Register of Rural Affairs — Elements 

 of Myology, -•.-.-. 



^5, Conversations on Vegetable Physiology, comprehending the 



Elements of Botany, with their application to Agri- 

 culture, *-.--.-- 



,,,^; The Natural, Statistical, and Civil History of the State of 



New York, 



203 



204 



i?' 



206 



9. Practical Instructions for the culture of silk and the mulberry 



tree. 



207 



OBITUARY, 



^ -i 



Pol. Jared Mansfied, LL, D. 



20ff 



c=t 



ERRATA.— Voi./ XVIII. No. J. 



Page 145, ITne 11 from top, for a fish, rcafl the fisi, 

 " 147, Art- 8 is substantially repeated on page 156. 



Correction^ 



Page 64, fine 12 from top, after and, read except being bdow. 



«< » 



** 3 from bottom, for dividing, read multiplying^ aud after 8y, rea^ 

 100 and dividing hy. 



/ 



