41S 



index; 



Trap optical, 200 



Travellers Society, 175 



Tree mineralized, notice of, 251 



Tribe of Scotacks, 384 



Tubes, elastic, formation of, 153 



Tungsten, calcareous oxide of, analysis of, 118 



V* 



I 



Van Rensellaer, Jeremiah. Doctor, on the natural history of the ocean, 12^ 

 Vegetable productions of the Highlands, 32 

 Vesuvius, 193 

 Volcanoes, lunar, 176 

 Voluntary breathing, 203 



i 



\r. 



i 



Vrebb, Thomas H. Mr. extract from his letter, 199 — his notice of mineral lo- 

 calities, 402 - 



Wet or damp clothes good conductors of lightning. 121 



William Maclure, Esq. extracts from his letter to the editor, 197 



Y. 



Yellow mineral from Sparta, Nevr-Jcrsey, notice of, 203 



* 



Z. 



Zeal for antiquity, 191 - 



Zinc, analysis of a new ore of, 235— green ore of, 399— siliceous oxide 

 of, 400 



Zircon in North Carolina, 271 and 401 

 Zoology, 174 



i 



J 

 5 



L, 



r 



