48 GLACIAL FORMATIONS OF ERIE AND OHIO BASINS. 



Whittlesey, Charles. On the ice movements of the Glacial era in the valley of 

 the St. Lawrence: Proc. Am. Assoc. Adv. Sci., Vol. XV, 1867, pp. iS-54:. 



On the fresh-water glacial drift of the Northwestern States: Smithsonian 



Contrib., Vol. XV, 1867, 38 pages. 



The physical geology of eastern Ohio: Mem. Boston Soc. Nat. Hist., Vol. I, 



1869, pp. 588-596. 



Forks of the Cuj^ahoga River: Akron Beacon, July, 1885, i pages. 



WiNCHELL, Alexander. On the origin of the prairies of the valley of the Missis- 

 sippi: Am. Jour. Sci., 2d series. Vol. XXXVIII, 1861, pp. ,332-341, llrJ^^y:5. 



Some indications of a northward transportation of drift materials in the 



lower peninsula of Michigan: Am. Jour. Sci.. 2d series. Vol. XL, 1865, pp. 

 331-338. 



Supjjosed agency of ice floes in the Champlain period: Am. Jour. Sci., 3d 



series. Vol. XI, 187t), pp. 22.5-228. 

 WiNCHELL, N. H. The surface geology of northwestern Ohio: Proc. Am. Assoc. 



Adv. Sci., Vol. XXI, 1872, pp. 152-186. 

 Reports on the geologj^ of Sanduskj-, Seneca, Wyandot, and Marion 



counties, Ohio: Geology of Ohio, Vol. I, 1873, pp. 591-645. 



Geology of Ottawa, Crawford, Morrow, Delawai-e, Van Wert, Union, 



Paulding, Hardin, Hancock, Wood, Putnam, Allen, Auglaize, Mercer, Henry, 



and Defiance counties, Ohio: Geology of Ohio, Vol. II, 1871, pp. 227-438. 

 Woodward, R. S. On the rate of recession of Niagara Falls: Science, Vol. VIII, 



1886, p. 205; also Am. Jour. Sci., 3d series. Vol. XXXII, 1886, pp. 332-333. 

 Wright, G. F. Recent investigations concerning the southern boundary of the 



glaciated area of Ohio: Am. Jour. Sci., 3d series, Vol. XXVI, 1883, pp. 44-56; 



Geology of Ohio, Vol. VII, 1884, pp. 750-769; Western Reserve Hist. Soc. 



1884, pp. 1-76; Second Geol. Survey Pennsylvania, Rept. Z, 1884, pp. 203-239. 

 Supposed glacial phenomena in Boyd County, Kentucky: Science, Vol. II, 



1SS3, p. 654. 



Result of explorations of the glacial boundaiy between New Jersey and 



Illinois: Proc. Am. Assoc. Adv. Sci., Vol. XXXII, 1883, pp. 202-208. 



■ — The Niagara River and the Glacial period: Am. Jour. Sci., 3d series. 



Vol. XXVIII, 1884, pp. 32-35. 



The theory of a glacial dam at Cincinnati and verifications: Am. Naturalist. 



Vol. XVIII, 1884, pp. 563-667. 



The Niagara gorge as a chronometer: Science, Vol. V, 1885, pp. 399-401. 



On the age of the Ohio gravel beds: Proc. Boston Soc. Nat. Hist., Vol. 



XXIIl, 1888, pp. 427-436. 



Preglacial man in Ohio: Ohio Arch, and Hist. Quart., Dec, 1887. 



The ice age in North America and its bearing on the antiquity of man. New 



York, 1889, 640 pages. 



The glacial boundary in western Pennsylvania, Ohio, Kentucky, Indiana, 



and Illinois: Bull. U. S. Geol. Survey No. 58, 1890, pp. 39-110. 



Remarks on the disposition of bowlders in the morainal fi-inges: Bull. Geol. 



Soc. America, Vol. I, 1890, pp. 29-30. 



