VI Contents. 
"^A correlation of the Lower Silurian horizons of Tennes- 
see, and of the Ohio and Mississippi valleys with 
those of New York and Canada. [ 1 1 1 ]. E. O. 
Ulrich 305 
Geology in our preparatory schools. W. Edgar Tay- 
lor 316 
Editorial Comment. — Some new contributions to the discussion of coral 
formations, 321. — The pal;tontologic labors of Prof. Jos. F. James, 323. 
Revievj of recent literature. — The position of the spirals in brachiopoda. 
Norman Glass, 327.— The Taconic of Georgia, and the report on the 
geology of Vermont, Jules Marcou, 328. 
Recent fublications, 329- 
Correspondence. — On the Cascade anthracite basin, Geo. M. Dawson, 332. 
— Nomenclature of some Cincinnati group fossils, Joseph F. James 
and E. O. Ulrich, 333. 
Personal and Scientifc Ne-^vs. — The Murchison medal, 335. — Mining statis- 
tics of the U. S., 336. — Dr. Reusch on meteorites, 336. — The new map 
of Europe, 337. — Later Cretaceous in Iowa, 337. — Effect of continen- 
tal masses on the level of oceanic waters, 338. — Dr. Lyddeker on the 
naming of reptilian bones, 338. 
JUNE NUMBER. 
Some American norytes and gabbros. (Geological notes 
from the laboratory of Denison University.) [1]. C. 
L. Herrick, E, S, Clarke, and J. L. Deming .. 339 
The Taconic question. Alexander Winchell 347 
A contribution to the Archaean geology of Missouri, [n]. 
Erasmus Haworth 363 
On some investigations regarding the condition of the in- 
terior of the earth, [i]. Ppof. E. W. Claypole . . . 3S2 
Monticulipora, a coral and not a polyzoon. Joseph F. 
James, M. S. '. 386 
Recent Publications, 393. 
Corresfondence. — Hajden memorial fund, 394. — The proposed geological 
society, 394. 
Personal and Scientific Netvs. — Laboratory of Buchtel college, 395.— Dr. 
AUeyne Nicholson on mural pores in favositoid corals, 396. — Fossil 
bones of Iguana and other reptiles in the Eocene of England, Dr. 
Lyddeker, 396. 
Index, 397. 
ERRA TA. 
On page 40, 14th line from bottom, for hopeful read helpful. 
" 56,8th " " for illusion read allusion. 
" 64, 2nd " top, for when read then, 
" 176,15th " bottom, tor thickens read thickness. 
219, last line, for northwest read newest. 
