INTELLIGENCE AND MISCELLANIES. 



I. Domestic. 



J . Protest of Mr. Henry Seybert in relation to the discov- 

 ery of fluoric acid, in the chrondrodite, with Mr. 

 Thomas Nuttall's reply. 168 



2. Iron Conduit Pipes. 173 



3. Notice of American Andalusite, by Major Ddafield. 176 



4. Professor Eaton's notice of the Boletus Igniarius. - 177 



5. Professor Hall's notice of the Plumbago of Ticonderoga. 178 



6. Mr. Ebenezer Granger's notice of a fluted rock at San- 



dusky. 179 



7. Professor Keating on the Cadmia of Ancram &c. (Jour. 



Acad. Nat. Sci. Phil.) 180 



8. Editor's notice of the inflammability ofammoniacal gas. 185 



9. crystaUization of sulphuric acid. 186 



10. an explosion of phosphuretted hy- 

 drogen and oxygen gases. - - - - 187 



II Foreign. 



1. Dr. Borr^'s Notice, of European Continental Geology, 



in a letter to Dr. J. W. Webster. - - - 188 



2. Professor Hall's communication from Mr. Miron Wins- 



low on the mineralogy of the Island of Ceylon. - 192 



3. Mermaid. — Extract of a letter from Batavia. - 1 95 



4. New edition of Mr. Parkes rudiments and essays. - 197 



Jiotices from Professor Griscom- 



5. New work on fossil shells. - - - - - 197 



6. New Journal of Natural Science at Copenhagen. - 198 



7. Color of sea water. 198 



8. Fossil Remains at Abbeville. - - - - 199 



9. Singular disease. 199 



10. Preservation of potatoes. - - - . . 200 



11. Zodiac of Denderah. . ^ - - . . 200 



