320 The American Geologist. - May, (ee. 
STEVENSON, JOHN J. 
Notes upon the Mauch Chunk of Pennsylvania. (Am. Geol., 
vol 29, Apr., 1902, pp. 242-251.) 
UPHAM, WARREN. 
New evidences of eveirogenic movements, causing and ending 
the ice age. (Am. Geol., vol. 29, Mar., 1902, pp. 162-169.) 
WALCOTT, C. D. 
The outlook of the geologist in America. (Bull. G. S. A., vol. 
13, pp. 99-118, Heb., 1902.) 
WATSON, THOMAS L. 
On the occurrence of anlite, pegmatite and tourmaline bunches 
in the Stone Mountain granite of Georgia. (Jour. Geol., vol. 10, 
Feb.-Mar., 1902, pp. 186-193.) 
WHITE, I. C. 
yeological horizon of the Kanawha black flint. (Bull. @ S. 
Ac, Vol, 13; pp. 219-126; Mar:, 1902.) 
WILLIS, BAILEY. 
Reorganization of the geologic branch of the United States 
geological survey. (Am. Geol., vol. 29, Mar., 1902, p. 188.) 
WILLISTON, S. W. 
Hind limb of Protostega. (Am. Jour. Sci., vol. 13, Apr., 1902; 
pp. 276-278.) 
WINCHELL, N. H. 
Sketch of the iron ores of Minnesota. (Am. Geol., vol. 29, pp. 
154-162.) 
WOODWORTH, J. B. 
Pleistocene geology of portions of Nassau county and Burrough 
of Queens. N. Y. state Mus., Bull. 48, Dec., 1901, pp. 617-670. 
WRIGHT, F. G. 
The rate of lateral erosion at Niagara. (Am. Geol., vol. 29, Mar., 
1902, pp. 140-143.) 
CORRESPONDENCE. 
Ar A Late MEretInG oF THE NEw York ACADEMY OF SCIENCES 
J. J. Stevenson was elected president for the current year and E. O. 
Hovey secretary. On account of the centenary of the publication of 
Playfair’s “Illustrations of the Huttonian Theory of the Earth,” mem- 
orials of James Hutton and John Playfair were then read by profes- 
sors J. J. Stevenson, J. F. Kemp and R. E. Dodge. 
Professor Stevenson, after speaking of the conditions prevailing 
in British geology prior to the publication of Hutton’s memoir in 1785, 
gave briefly the characteristic features of Hutton’s ,doctrines and ac- 
