t)(i 
CLASSIFIED INDEX 
OF THE 
lprocce&ing6 
OF THE 
Porhebire (Beological anb ipol^tccbiuc Society?. 
VOLUMES I. -XIV. 
( 1839-1902), 
BY 
W. L(3WER CARTER, M.A., F.G.S., 
Honorary Secretary. 
I.— INDEX OF SUBJECTS. 
COSMICAr> GEOJ-OGY. 
I'AtiK 
On the Geological Evidence of the Secular Expansion of the Crust 
of the Earth, the Increase of its Orbit, and the Effects pro- 
duced thereby, as propounded by Captain Drayson, R.A. B\' 
Rev. W. Thorp . . . . \ . . . ' . . IV. 1 
The Astronomical Evidence for tlie Secular Expansion of the Crust 
of the Earth, the Increase of its Orbit, and the Effects pro- 
duced thereby. By Captain Drayson, R.A. . . IV. 27 
DYNAMICAL (iKOLOf^Y. 
On the Disturbances in the District of the Valley of the Don. By 
Rev. \V. Thorp . . . . . . ." . . . I., iii. 4 
Observations on the Process of Petrifaction. B\^ John Phillips, 
F.R.S., F.G.S. . . . . . . . . " . . II. 305 
On some Facts connected with the Silicification of Organic Bodies. 
By E. Charlesworth, F.G.S. . . . . . . II. 308 
On the Transmission of Earthquake Sliock-* beneath Great Mountain 
Ranges. By Richard Solly . . . . . . II. 344 
Observations on tlie Currents and Phospliorescence of the Atlantic. 
By Rev. Dr. Scoresby, F.R.S. . . . . . . II. 287 
On the ^licroscopical Structure of the Calcareous Grit of the York- 
shire Coast, By Henry Cliftcn Sorby, F.G.S. -. III. 197 
