CONTENTS, v 
Remarks on the saltness of the Ocean, and the effects of light 
on turbid waters; by the Rey. Hector Humpureys, 208.— 
Kenawha Gas, 209.—Bromine and Jodine, 211.—Abstract of 
a Meteorological Register for the year 1844, kept at Steuben- 
ville, Ohio; by Roswett Marsu, 212.—Fossil Remains 
from Algoa Bay, near the Cape of Good Hope: Fossil Foot- 
marks and Rain-drops; by James Deane, M. D., 213.— 
Large Trilobite—Iowa Coralline Marble: Dorudon: Foot- 
prints; by A. T. Kine, M. D., 216.—Large Skeleton of the 
Zeuglodon of Alabama, 218.—Bones of the extinct gigantic 
Bird of New Zealand, called Moa: Sixth Annual Meeting of 
the Association of American Geologists, 219.—Comets: Se- 
cond Comet of 1845: Third Comet of 1845, 220.—The Earl 
of Rosse’s Leviathan Telescope, 221.—Notices drawn from a 
Letter of our London Correspondent, 227.—Columbite : Gray 
Antimony : Postage of Printed Sheets in England, 228. 
NUMBER Il, 
Page. 
Arr. I, The Coast Survey of the United States, - : - 229 
Il. A Letter to Berzelius on Chemical Recooneleive by 
Prof. Rosert Hares, M. D., - - - 249 
If. Description of a Singular Case of the Diesen of Blocks 
of Stone connected with Drift, in Berkshire County, 
Mass.; by Epwarp Hrrencocx, LL. D.,  - - 
IV. Meteorological Observations made at Hudson, Ohio, du- 
ring the years 1841, °2, °3, and °4, witha sacs: for 
seven years; by Prof. Ex1as Loomis, - - 266 
V. On the Physical Geology of the United States east of the 
Rocky Mountains, and on some of the Causes affecting 
the Sedimentary Formations of the Earth; by Prof. 
Witiram W. Maruer, - 284 
VI. Description of the Solar Index, a new Magno ee 
ment; by Marsuatt Conant, - 
VIL A Report to the Navy Department of ihe United Sicren 
on American Coals, applicable to Steam Navigation and 
to other purposes ; by. Prof. Waiter R. Jonnson, 310 
VII. (1.) Description of a mass of Meteoric Iron, which fell 
near Charlotte, Dickson County, Tenn., in 1885; (2.) 
