IV. Conteiits. 
of the Triassic formation of the Connecticut valley, William M. 
Davis, 112. — Salt-making processes in the United States, Thomas 
M. CuATAKD, 113. — The geology (Ji the head of Chesapeake bay, 
W. J. McGee, 113. — Die Lunzer Flora, D. Stur, 115. 
Recent publications, 116. 
Correspondence. — The distribution of certain loess fossils, Charles R. 
Keyes, 119. — The Taconic of eastern Newfoundland, J, P. How- 
ley, 121. — The terminal moraine near Louisville, John Bryson, 
125. 
Personal and Scientific News, 126. 
SEPTEMBER NUMBER. 
Douglass Houghton. [Portrait.] Alexander Winchell. 129 
How is the Cambrian divided? G. F. Matthew 139 
The Missouri river. G. C. Broadhead 148 
The Mesozoic series of New Mexico. [Illustrated.] 
Jules Marcou 155 
Glaciation of mountaiiis in New England and New 
York. — Warren Upham- 165 
Foraminiferal origin of certain Cretaceous limestones 
and the sequence of sediments in North American 
Cretaceous. — Robert T. Hill 174 
Editorial Comment. — Some recent works upon the crystalline rocks, 
177. 
Review of recent geological literature. — Solar heat, gravitation and sun- 
spots, J. H. Kedzie, 181. — Les geolognes et la geologic du Jura 
jusq'.^.'en 1870. Par Jules Marcou, 186. — Fossil fishes and fossil 
plants of the Triassic rocks of New Jersey and the Connecticut 
valley, J. S. Newberry, 187.— On the Tertiary and Cretaceous 
strata of the Tuscaloosa, Tombigbee and Alabama rivers, E. A. 
Smith and L. C Johnson, 188. 
Recent Publications, 191. 
Personal and Scientific News, 192. 
OCTOBER NUMBER. 
The suLgeneric groups of Naticopsis. [Illustrated.] 
Charles R. Keyes 193 
Views on prenebular conditions, Alexander "Win- 
chell 196 
Glaciation of mountains in New England and New York. 
[Continued.] Warren Upham 205 
The Mesozoic series in New ^Mexico. [Continued.] 
Jules Marcou ' 216 
Note taking and the use of maps in geological field 
work. Aug. F. Foerste 229 
Notes on the geology of southeastern loAva. C. H. Gor- 
don 237 
A pocket mapping instrument. [Illustrated.] Alfred 
C. Lane 239 
Review of recent geological literature. — The Neozoic geology of south- 
wpstern Arkansas, Robert T. Hill, 243. — Solar heat, gravitation 
and sun-spots, J. Jl. Kedzie, 246. 
Recent Publications, 249. 
