CONTENTS FOR VOL, Vilh 
S060 
GEOLOGY, MINERALOGY, TOPOGRAPHY, &c, 
Sketch of the Geology and Mineralogy of a part of Massachu- 
setts and parts of the adjoining States; by Prof.C. Dewey, 1 
List of Minerals and Organic Remains occunring in the 
Canadas; by J. Bigsby, M. D. - - 60 
New Localities of Sahlite, Ceccolite, Augite, Ceylaones &c. 88 
Notices of tae Geology and Mineralogy of Sicily, from a 
work entitled “Storia Naturale della Sicilia. Catania, 
18133 del Ab. F. Ferrara.” ‘Translated and condensed 
by J. G. Percival, - - - - 201 
Analysis of M. Alex. Brongniart’s Memoir: ‘¢ Surles caracteres 
Zoologiques des Formations,” &c.; by J. G. Percival, 213 
Notice of the Malleable Iron of Louisiana, - - 218 
Notice of Miscellaneous Localities of Minerals, 225 
Geology of the country near Easton, Penn. ; by J. Bineh, 236 
Geology of a part of Massachusetts, &c. ; by Prof. C. Dewey, 240 
Notice of a singular Conglomerate, and of an interesting lo- 
cality of Trap Tuff or Tufa, - - 244 
Notice of the Ancram Lead Mine ; by C. A. Das use 247 
Notice of the Granitic veins and beds in oe Mass. ; by 
E. Emmons, 250 
Geology and teeter of Sakshury, Con: : ie C. A. Lee, 252 
Ought American Geologists to adopt the changes in the sci- 
ence, proposed by Phillips and Conybeare ? - = )26) 
BOTANY. | 
Caricography, (continued,) by Prof. C. Dewey, - 93, 264 
List of the Rarer Plants found near Easton, Penn. ; by the 
Rev. L. De Schweinitz, - - - - WANE 
ENTOMOLOGY. 
Notice of the Melolontha, or May Bug; by Jacob Cist, 269 
MECHANICS, PHYSICS, CHEMISTRY, MATHEMATICS, 
AND THE ARTS. 
Prof. R. Hare, on the Galvanic Deflagrator—also an impro- 
ved Single Leaf Electrometer—the Combustion of Iron by 
Sulphur in Vapour—and an ey mode of imitating naling 
Chalybeate Waters, - 99 
Analyses of the Chryseber ye from Hadden and Brazil, Py 
Henry Seybert, - - - 105 
