Geology and Mineralogy. 339 
beds have each a thickness of about ten inches clear coal, The 
coal is bituminous, one an alysis by Mr. Whitfield obtaining fixed 
‘pri 60°85, volatile combustible matters 17°50, moisture 0°56, 
ash 21-:09=10 
e fossils of the Carboniferous limestone determined by Mr. 
a: include Fusulina cylindrica, Productus semireticulatus, 
i era hate and other species. The coal shales, according 
ter O. Ward, contain remains of Sequoia, Sabal, 
: peaaak with Articulating Spins Dk G. J. Hr INDE, in the 
Annals and Magazine of Natural History for yy describes 
and figures fine specimens of a Crinoid Rise erly ate 
i i to a 
Ontario, Canada 
American Philosophical Society for 1883, on a species of the 
kind—the first discovered—w hich - this author referred to the 
n in 
Hall, in the others, a oniatl variety oe, To um Con 
5. Creation of Continents by the Ocean Cu rp s “e ei STan 
LEY Grivgs, 116 pp. 12mo. Philadelphia, 1885 (J. B. Lippin- 
Cott & Co.).—The author aims to show that’ the three pairs of 
ocean-basins—those of the North and South Atlantic, Pacific and 
Indian n ocean—were produced through the weight of the sediment 
flo 
nad an east and west t major axis between the daWator and athe 
“5th i hatte and that wd southern ellipses were about 50° in 
ke 
a N. H. Winenett.—The editorial note of this Journal, to 
Which Professor Tei takes ex 
the writer reanec the age of the sandstones of Taqu menon 
Ba This jnecting having been taken by Professor ee 
ae taken considerable trouble to show that I am wron 
Dg such é : 
fr PI aarti Ba seg 33), and if Professor Irving 
“if” which introduces Professor Dana’s quotation throws almost 
the force of a negative against the inference which he assumes as 
