oe i i Naa lala 
CONTENTS OF VOL. VI. 
—<=>——— 
GEOLOGY, MINERALOGY, TOPOGRAPHY, &c.- 
Geology, epee der oe Scenery, of the Connecticut, with a srecolbe? 
gical map and drawings of — remains, med the Rev. Edward 
Hitchcock, - MI. 
A memoir on the Topo ography; Scenery, Mineralogy, &e. of the Catt 
kill eientcinns by —- Pierce, Es 
Speculative Conjectures on the isomalie changes that may have occur- 
aig the — sien “of the cased Mountains, by William Mac- 
ie 
Ceci, Mineralogy, and Scenery of the Connsctigtt wil a geological 
and drawin 88 of meee remains, by tbe Rey. Edward Hitch- 
co pas: es A.M. 
Notice of the Alluvial District of New-J ersey, with rémarics on ites agri- 
culture, by James Pierce, 7 
— * probable 3 of certain Salt Springs, by Prof, Amos Eaton, 242 
king Stone urham N is anger sien iy Jacob 256 Moore, 
ng a site, No. 1 10, 243 
1 By Proton Localities Mieasibeconsmninted by various persons, 245 
1. ny y 245 
2. r. en Taylor, of Provide -E aed oe. 245 
a: By De Tacob Porte - - - 246 
4, By Mr. T. Stuart of ‘Peanhans ‘Vermont, oe - -, 249 
5. By pt t, W. Pm +e ons - 250 
P. Bra 250 
Notice or a ean Water Fall, and of Excavations i in the rocks "7; 
Professor Hall, 25 
BOTA NY. 
— er lap: Hitchcock, on a new ae of ore: with a 
pecker 3. L. Mitchill and Dr. John Torry, on a new species of Umea 
from New South Shetland, with a drawing, 
On the Diversity of condi wo sorts of — found in one United States 
by Dr. William Tal - 254 
CONCH OLOGY. 
Mr. D. H. Barnes onthe Genera Unio and Alasmodonta, with eight 
plates of the shells, 
Mr. D. H. Barn we on thie: Genera Unio end Alasmodonta, with two 
plates, Nos. 11 and 12, 258 
HEMATICS. 
ac ome of a Problem { in » Conic Sections, by — ah 
avie 
Review of the Ca ambridge course of Mathematies—cont tinu diss -Ele- 
ments of Geometry, by A. M. Legendre, po ae of the Institute, &c. 283 
PHYSICS, CHEMISTRY, MECHAN NICS AND THE ee 
Mr. Isaac Orr on the formation of the Universe, its diagrams, 
Dr. James Cutbush on the semation of fat or ——- in some 
chemical processes, not h “tea e noticed, 149 
Mr. Henry mp pate analy mangane ie garnet, with a Hiotive of 
Boric acid in tourmalin 55 
Dr William Mesde’s: 8 letter, with an peociiet ofa tenselad ittis—co- 
pied from the transactions of the Wernerian Society of one 158 
fessor Cleaveland’s notice of m9 rem balls of sno 162 
Professor J. F, Dana’s miscellaneous notices, - - 163 
