218 
INDEX TO NORTH AMERICAN GEOLOGY. 
[BULL. 271. 
Miscellaneous— Continued. 
Problems of geology, Van Hise, 4. 
Problems of geophysics, Becker, 3. 
Relations of the earth sciences in view of 
their progress in the nineteenth century, 
Davis (W.M.),1. 
Report on geophysics, Van Hise, 2. 
Scope of geological teaching, Rice, 2. 
Study of stratigraphy, Parks, 3. 
Miscellaneous— Continued . 
System of keeping the records of a State geo- 
logical survey, Buckley, 3. 
The new geology and vein formation, Ed- 
wards, 1. 
Twenty-fifth annual report of the Director of 
the U. S. Geological Survey, Walcott, 1. 
Where did life begin?, Winchell (N.H.),2. 
o 
