229 
[Upham. 
whom we already owe much, has undertaken the mapping and dis- 
cussion of the drumlins of this country for the United States Geo- 
logical Survey. 
Sir James Hall, Trans, of the Edinburgh Royal Society, vol. vn, 
1815, pp. 169-183, first pointing out the parallelism of the trends 
of these drift hills with the striae on the bed-rocks. 
M. H. Close, “ Notes on the General Glaciation of Ireland,” 
Journal of the Royal Geological Society of Ireland, vol. i, 1866, 
pp. 207-236. In this paper the name drumlin was first specifically 
applied to these accumulations of till. 
G. H. Kinahan and M. H. Close, “ The General Glaciation of 
Iar-Connaught and its neighbourhood, in the counties of Galway 
and Mayo,” Dublin, 1872, pp. 20, with map. 
James Geikie, Great Ice Age, second ed., 1877, pp. 13-21, 76, 
394. 
J. R. Dakyns, “ Lenticular Hills of Glacial Drift,” Geol. Mag- 
azine, II, vol. vi, 1879, p. 382. 
J. G. Percival, Report on the Geology of Connecticut, 1842, pp. 
256, 461, 479, 485. 
James Hall, Geology of New York, Survey of the Fourth Dis- 
trict, 1843, pp. 319, 414, etc. 
N. S. Shaler, “ On the Parallel Ridges of Glacial Drift in east- 
ern Massachusetts,” Proceedings of this Society, vol. xm, 1870, 
pp. 196-204; Illustrations of the Earth’s Surface: Glaciers, 1881, 
pp. 60-63 ; Seventh Annual Report of the U. S. Geol. Survey, 
1888, pp. 321, 2. 
W. M. Davis, illustrations of the Earth’s Surface : Glaciers, text 
describing Plate xxlv ; in paper on “ Glacial Erosion,” Proc. of 
this Society, vol. xxn, 1882, pp. 34, 40-42 ; “ Drumlins,” Science, 
vol. iv, pp. 418-420, with illustrations, Oct. 31, 1884 ; “ The Dis- 
tribution and Origin of Drumlins,” Am. Jour. Sci., Ill, vol.xxvm, 
pp. 407-416, Dec., 1884. 
C. H. Hitchcock, “ Lenticular Hills of Glacial Drift,” Proc. of 
this Society, vol. xix, 1876, pp. 63-67 ; Geology of New Hamp- 
shire, vol. ii, p. 446 ; vol. hi, pp. 233, 254, 282, 309. 
Warren Upham, “ The Distribution of the Till,” Geol. of N. H., 
vol. hi, 1878, pp. 285-309, with heliotype, and with maps in At- 
las ; “ Glacial Drift in Boston and its vicinity,” Proc. of this So- 
ciety, vol xx, 1879, pp. 220-234 ; “ The Till in New England,” 
Geol. Mag., II, vol. vi, 1879, pp. 283,4; “Marine Shells and 
