CONTENTS. 
Page. 
10. Red Rain. - - - - - - - - bid, 
il. Gonpieilicn. ne ee eee ere a 310 
12. Augite. ae" - - = ibid. 
13. A New Vogetbe Alkali. ee ee ibid. 
14. Ne - - - - - bid. 
15. New iat - - - - - - - ibid. 
16. Pure Alumine. Sic:g aD Ae 
17. Collections of American Minerals. | pee ets ibid. 
- - - - #8 
19. Medical a of Ohio. oy Saale See ree ibid. 
20. Notes on Ohio. - ibid. 
21. Discovery of American Tengeled ana Tellurium. - $2 
92. Mr. Sheldon’s application of Chesnut Wood to the arts of 
Tannin: Dyeing. 
23, Additional note concerning the Danes and Tellurium. 316 
