lit 
CONTENTS. 
JANUARY NUMBER. 
Joseph Leidy. ([Portrait.]  PrRsiror FRAZER...... ; i 
The Chemung and Catskill (Upper Devonian) on the inatern 
Side of the Appalachian Basin. J. J. STEVENSON 6 
Principles and Methods of Geologic Correlation by Means 
Gieriants, Lester F7 WARDEr ot le. SE meee d4 
Age of the Limestone Strata of Deep Creek, Utah, andthe 
Occurrence of Gold in the Crystalline Portions of 
the Hormation:-“ “Ww. P. BUAKE ES 623.2%... a. oe 47 
Editorial Comment.—Archexan eruptive rocks of Finnland, 49.—Earliest 
Man in America, 52.--Companions of Eozoon, 53. 
- Review of Recent Geological Literature —Geological Survey of Missouri; 
Age and originof the crystalline rocks. Erasmus HAwortu, 55.— 
Descriptions of four new species of fossils from the Silurian 
rocks of the southeastern portion of the district of Saskatchewan, 
J. F. Wurteaves, 56.—Contributions to Canadian mico-paleon- 
tology, T. Rurperr JoNEs, 56.—Laboratory practice, a series of ex- 
periments on the fundamental principles of chemistry, J. P. 
CooKE, 56.—Report on the geology of the four counties, Union, 
Snyder, Mifflin and Juniata, E. V. D’INviniiers, 57.—On some 
new fishes from South Dakota, E. D. Corr, 57.—On a new horizon 
in the St. John group, G. F. Marrnew, 57.—The story of the hills, 
a book about mountains for general readers, H. N. Hutrcurnson, 
58.—Correlation papers, Devonian and Carboniferous, H. §8. W11- 
LIAMS, 58. 
List of Recent Publications, 61. 
Correspondence.—The Middleton formation of Tennessee, Mississippi and 
Alabama, with a note on the formations at La Grange, Tennessee, 
Jas. M. SAFFORD, 63.—Bibliography undertaken by the Interna- 
tional Congress of: Geologists, G..K. GILBERT and Em. DE Mar- 
GERIE, 64, 
Personal and, Scientific News.—Pre-historic horses, 67.—Archeological 
exhibition at Madrid, 68.—The late Dr. P. Herbert Carpenter, 69. 
FEBRUARY NUMBER. 
Alexander Winchell. [Portrait.] An Editorial Tribute. 
