1881 .] 
129 
[Abbott. 
shows, were, in all probability of like age and origin as those 
found in the valley of the Delaware. 
The published account of Mr. Berlin’s “ finds ” is in the first 
volume of the American Naturalist ; that of Dr. Hoffman in the 
thirteenth volume of the American Naturalist, and that of Dr. 
Haldeman in the Peabody Museum Reports, Yol. II, p. 255. 
Col. C. C. Jones, Jr., in his instructive volume on the Antiqui- 
ties of the Southern Indians, published in 1873, records the 
discovery of drift implements of precisely the same type and 
under similar conditions as those found in the valley of the Dela- 
ware River. (Chap, xii, p. 292, pi. xvi, fig. 10.) 
Furthermore, I desire now to call attention to the fact that the 
archaeological interest centering in these gravels, does not rest 
solely on my own labors. Others have examined them carefully, 
and have published, or will do so, the results of their visits to the 
locality. 
In October, 1877, the late Thomas Belt visited the locality, and 
gathered specimens therefrom. His account of his visit will be 
found in the Quarterly Journal of Science, London, for January, 
1878, p. 55. 
In September, 1878, Prof. J. D. Whitney and Mr. Carr, of the 
Peabody Museum, visited the locality, and of this visit Mr. Carr 
has stated, in the Twelfth Annual Report of the Museum, “ in 
September last, in company with Prof. J. D. Whitney of Harvard 
College, I visited Trenton, and we were fortunate enough to find 
several of these implements in place. Professor Whitney has no 
doubt as to the antiquity of the drift, and we are both in full 
accord with Dr. Abbott as to the artificial character of many of 
these implements.” 
In June, 1879, and again, in June, 1880, Mr. Putnam visited 
Trenton, and he also has gathered excellent specimens from the 
undisturbed gravels, at various depths. As both he and Mr. Carr 
are present, they will refer to these themselves. 
Lastly, in November, 1880, Prof. W. Boyd Dawkins, Prof. 
Henry W. Haynes, Rev. G. Fred. Wright, and Henry Carvill 
Lewis of the Geological Survey of Pennsylvania, gave these 
gravels a critical examination. The results in part of this visit 
will be given this evening by two of these gentlemen, and it 
PROCEEDINGS B. S. N. H. VOL. XXI. 9 NOVEMBER, 1881 . 
