vi Contents. 
Pockets containing fire-clay and carbonaceous materials 
in the Niagara limestone at Clinton, Iowa, P. J. 
Faknsworth ; 331 
Editorial Comment. — Formation of coal seams, 334. 
Review of Recent Literature, 336. — Die carbone Eiszeit. Dr. W. Waagen, 
336. — Tables for the de termina tion of common minerals. W. O. 
Crosby, 340. — Geology; Chemical, Physical and Stratigraphical. 
Joseph Prestwich, 341. — Decomposition of iron pyrites. A. A, 
JuLiEN, 844.— Five papers on the orip; n and ancient drainage of 
the basins of the great lakes. J. W. Spencer, 346. — Les disloca- 
tions de Tecorce terrestre. MM. Margekie et Heim, 343. 
Recent Publications. — 3id. 
Correspondence, 351. — A green quartzyte from Nebraska. L. E. Hicks, 
351. — Some forgotten Taconic literature. A. W. Vogdes, 852. 
— Geology of the vicinity of Quebec City. Jules Marcou, 355. — 
The position of the Olenellus beds. A. G. Nathorst, 356. — Dr. Rom- 
inger's rejoinder to Mr. C. D. Walcott, 356. 
Personal and Scientific News. — The Am. Assc. Adv. Sci., 359. — The Am. 
Geol. Soc , 360. — Roy. Soc. of Can., 361— The International Congress 
of Geologists, 363.— Univ. of Ge::>rgia, 370.— Univ. of Texas, 370.— 
Etc. etc., 
DECEMBER NUMBER. 
Prof. Henry Carvill Lewis and his work in glacial geol- 
ogy. [Portrait.] Warren Upham 371 
The ethical functions of scientific study. Pres. T. C. 
Chamberlin 380 
The Coal Measures of central Iowa, and particularly in 
the vicinity of Des Moines. [Illustrated.] Charles 
R. Keyes ■ 39a 
Preliminary description of a new or little known saurian 
from the Benton of Kansas. P. W. Cragin 404 
Keokuk group at Crawfordsville, Indiana. Charles S. 
Beachler 407 
Notes on a geological section at Todd's fork, Ohio. [Il- 
lustrated.] Aug. F. Foerste 412 
Editorial Comment. — The Fifty-eighth meeting of the British Association » 
419. 
Revieto of Recent Geological Literature, 428. — Formal recognition of the trans- 
fer of the Lick Observatory to the Regents of the University of Cali- 
fornia, 428. — The beginnings of American science, G. Brown Goode, 
429. — The coals of Colorado, J. S. Newberry, 429.— Glaciation; its 
relation to the Lackawanna- Wyoming region, John C. Branner, 430. 
— The Jordan, Arabah and the Dead sea, Israel C. Russell, 430. — 
Microscopical physiography of the rock-forming minerals, J. H. 
Rosenbuscii,430. — Anti-Evolution: Girardeau w.Woodrow. James G. 
Martin. 431. — Congres geologique International, Compie rendu de 
la 3mo Session, 431. — On the fauna of the lower Coal Measures of 
central Iowa, and descriptions of two new fossils from the Devonian 
of Iowa, CiiAS. R. Keyes, 432.— Glacier erosion in Norwaj% J. W. 
Spencer, 432. 
Correspondence, 433. — Mitchell county, Texas, G. C. Broadhead, 433. — 
The Literature of geyserite, Geo. P. Merrill and L. E. Hicks, 437^ 
Personal and Scientific News, 438. 
Lndex, 439. 
