VI Contents 
PERSONAL AND SCIENTIFIC NEWS 324 
JUNE NUMBER. 
THE FOSSIL TURTLES OF THE BRIDGER BASIN. O. P. 
Hay. [Illustrated.] 327 
ON THE LANSING MAN. Prof. S. W. Williston 342 
AGE OF THE ST. CROIX DALLES. Warren Upham 347 
THE PEGMATYTE VEINS OF PALA, SAN DIEGO COUNTY. 
G. A. Waring. [Plates XXII-XXVI.] 356 
THE SALT DEPOSITS OF NORTHEASTERN OHIO. .1. A. 
Bownocker. [Plate XXVII.] 370 
MINERALOGICAL SYNONYMS 376 
EDITORIAL COMMENT. 
The New Building for the National Museum at Washington 378 
Notes on Goldfield, Nevada 382 
REVIEW OF RECENT GEOLOGICAL LITERATURE. 
Effect of Cliff Erosion on Form of Contact Surfaces, N. M. 
Fenneman, 385; Geologic Map of the Tully Quadrangle 
[New York] Bull. N. Y. State Museum, 1905. .1. M. Clarke 
and Dr. D. Luther, 388; Oklahoma Geological Survey, 3rd 
Biennial Report, A. H. Van Vleet, 390; Some Crystalline 
Rocks of the San Gabriel Mountains, Ralph Arnold and A. 
M. Strong, 391 ; Maryland Geological Survey, Miocene, Wm. 
B. Clarke, 392; The Origin of Certain Place Names in the 
U. S., Henry Gannett, 393; Second Report of the Agricul- 
tural College Survey, N. Dakota, D. E. Willard. 394; Cassel- 
ton-Fargo Folio N. Dakota and Minnesota, C. M. Hall and 
D. E. Willard 394 
MONTHLY AUTHOR'S CATALOGUE OF AMERICAN GEOLO- 
GICAL LITERATURE •. . 394 
CORRESPONDENCE. 
American Association Advancement of Science, Summer 
Meeting Section E 398 
PERSONAL AND SCIENTIFIC NEWS 399 
