Catalogues of Rocks anpl Minerals. 269 



90. Serpentine Middlefield, with Magnetic oxyde of 

 Iron. 



90. Whinstone (West Hill) 



91. Brown Hematite (Lenox) 



92. Talcose slate (West of Williamstown) 



93. Schorl in mica slate. 



94. Actynolite. 



95. Magnetic Iron Sand — great falls thirty-five miles, 

 above Glenn's Falls. 



96. Oxyd of Manganese — Adams 



97. Gibsite (Dr. Torrey) Richmond, Mass. 



IV. From Doctor Brown, of Kentucky, through Colonel 



GiBBS. 



98. Petrifactions, siliceous, calcareous, and even in some 

 cases agatized, chiefly of the coral family, entrochi, &c. 

 also sulphate of Barytes with Galena — 6 miles north of 

 Nashville, Tenessee ; in the channel of a little creek com- 

 monly dry. Many of them, however, from the highest 

 lands, from the plantation of Mr. Craighead. 



V. From Dr. Alfred Monson. 



99. A suite of the Chesterfield minerals — American sili- 

 ceous spar — tourmalines — sappar, he. very handsome. 



VI. From Messrs. Eaton and Beck. 



100. Petrifactions of the Helderburgh. 



101. Limestone in argillite Cahoes falls. 



102. Gray wacke — Norman's hill. 



103. Pentacrinite — terrebratulite, he, in sandstone in 

 Helderbergh. 



104. Schist of the Mowhawk at Niskeuna, full of 

 Pentacrinites — stytastrites — terrebratulites. 



Siliceous slate, Bethlehem. 



105. Marls, clays, ochres, alum, Stc. Helderburgh. 



106. Pectihites in schist — Rensellaer county. 



107. Green coccolite in bluish crystallized carbonate 

 of Hme — very beautiful — Sheene — Essex Co. 



108. Encrinite — Marble polished and handsome Coey- 

 mans. 



Vol. V. 35 



