CONTENTS OF VOL. V. 



MINERALOGY, GEOLOGY, TOPOGRAPHY, &c. 



Doct John Beckwith on the natural walls or dykes, of North Carolina, 

 Mr. D. H. Barnes' Geological Section of the Canaan Mountains, &c. 



(with a plate,) .-.-._.-- 8 



Prof. A. Ealon on a singular deposit of gravel, - - - - 22 



Honourable notice of Mr. Schoolcraft's Memoir of a Fossil tree, - 23 



James Pierce, Esq. on the Geology, Mineralogy, and Scenery of the 



Highlands of New-York and New- Jersey, .... 26 



On certain rocks supposed to move without any apparent cause — by an 



anonymous Correspondent, (with a plate,) _ _ . . 34 



Letter from Prof Dana, on Putnam's Rock, ... - 37 



Editor's Miscellaneous Notices in Mineralogy and Geology, - - 39 

 Doct. J. G. Percival on the Sulphate of Barytes, &ic. in Berlin, Conn. 



&c. 42 



-Mr, John S. Bigsby's outline of the Mineralogy and Geology of Malbay, 

 Lower Canada, (with a sketch,) .... 205 



Mr. Schoolcraft's remarks on the prints of human feet in Limestone, 



(with a plate,) ...--. 223 



Hon. Thomas H. Benton's letter on this subject, - . - 228 



Professor Amos Eatoa's outline of the Geology of the highlands, on the 

 Hudson, ....... 231 



Doct John Torrey's description and analysis of a new ore of Zinc, 235 



Mr. Thomas Nuttall's observations and Geological remarks on the Min- 

 erals of Patterson and Sparta, N. J. - - - - 239 



Professor Dewey's notice of crystallized Steatite, and of ores of Iron 

 and Manganese, ._... ... 249 



Professor Green's notice of a mineralized tree — rocking stone, &c. 251 



Editor's miscellaneous localities of minerals, ... 254 



Professor Olmstead's descriptive catalogue of rocks and minerals, col- 

 lected in North Carolina, ....... 257 



Several catalogues of Minerals presented to the Geological Society, 265 

 Geological Poems, _.__-. 272 



ZOOLOGY. 



Doct. Mitchell's account of a group of polypes, - - 46 



BOTANY. 



Mr. Lewis D. de Schweinitz's Monography of the Linnean Genus Vi- 

 ola, - - - - - - - - 48 



Mr. Thomas Nuttall's catalogue ot a collection of plants from East 

 Florida - - - - • - - 286 



MATHEMATICS. 



Professor A. M. Fisher, on Maxima and Minima of two variable quan- 

 tities, .-....-.-- 82 



Review of the Cambridge course of Mathematics, - - - 304 



