Author's Catalogue. 259 
RICHARDSON, GEORGE B. 
The Upper Red Beds of the Black Hills. (Jour, of Geol., Vol. 11, 
pp. 365-333, May-June, 1903.) 
RICKARD, T. A. 
Across the San Juan Mountains. (Eng. Mining Jour., Vol. 76, July, 
Aug., and Sept. issues, 1903.) 
RUSSELL, I. C. 
Preliminary Report on Artesian Basins in Southwestern Idaho and 
Southeastern Oregon. (U. S. G. S., AVat.-Sup. and Ir. Pap., No. 78, 
pp. 51, Maps 2, 1903.) 
SARDESON, FREDERICK W. 
The Phylogenic Stage of the Cambrian Gastropoda. (Jour, of 
Geol., Vol. 11, pp. 469-492, July-Aug., 1903.) 
SCHUCHERT, CHAS. 
On the Faunal Provinces of the Middle Devonic of America and 
the Devonic Coral Sub-Provinces of Russia with two Paleographic 
Maps. (Am. Geol., Vol. 32, No. 3, pp. 137-162, pis. 20-21, Sept., 1903.) 
SLICHTER, PROF. CHAS. S. 
The Motions of Underground Waters (U. S. G. S., Wat. -Sup. and 
Ir. Pap., No. 67, pp. 106, pis. 8, 1902.) 
STANTON, T. W. 
A New Fresh-water Molluscan Faunule from the Cretaceous of 
Montana. (Proc. Am. Phil. Soc, Vol. 42. No. 173, pp. 188-190. pi. 4, 
Apr. - May, 1903.) 
TAYLOR, FRANK B. 
The Correlation and Reconstruction of Recessional Ice Borders in 
Berkshire County, Massachusetts. (Jcur. of Geol., Vol. 11, pp. 323- 
364, May-June, 1903.) 
WELLER, STUART. 
The Stokes Collection of Antarctic Fossils. (Jour, of Geol.. Vol. 11, 
pp. 413-419, May-June, 1903.) 
WINCHELL, H. V. 
The Mesabi Iron Range. (Eng. & Mining Jour., Vol. 76. No. 10, p. 
343. Sept. 5, 1903.) 
CORRESPONDENCE. 
Columbia University Geological Department. — A highly instruct- 
ive geological trip and one easy of access from New York city and 
surrounding points is a walk along the north shore of Atlantic High- 
lands, N. J., to Sandy Hook. This trip is taken every spring by the 
palaeontological students of Columbia University. Beginning at the 
station of Atlantic Highlands and following the railroad track eastward, 
a very good section of the Monmouth (Up. Cr.t. ) formation is ob- 
tained, the railroad making a half cut through it. The lowest division 
of the Monmouth, the Mount Laurel sands (a coarse red sand) is 
but several feet thick. The middte bed, the Navesink marls; which are 
