vi. Contents 
Editorial Comment. —A sandy simoon in the Northwest, 397. 
Review of recent geological literature. —Marine Shells in the till near Bos¬ 
ton, Warren TJpham, 399.—Seventh annual report of the U. S. 
Geol. Survey, Powell, 399.—Elemente der^Paleontologie, Stein- 
MANN, 401. 
List of recent publications , 402. 
Correspondence. —Solubility of phosphates in iron ores, Taft, 402. 
Personal and Scientific News, 403. 
