1893. ] NEW YORK ACADEMY OF SCIENCES. 161 
Asa professor in Columbia College, Dr. Newberry received a 
handsome salary and found much time to devote to his chosen 
work outside of his college duties. During this period of 
‘twenty-four active years he was incessantly working, and always 
with more upon his hands than he could properly dispose of. 
He accomplished, however, by his industry, a vast amount of 
‘the best work of his life. All but thirty-six of his 210 published 
papers were written after 1866. 
Between 1869 and 1882 he published the several reports of 
the Ohio Geological Survey, consisting of three brief reports of 
progress and seven volumes of final reports, four of these in 
geology, two in paleontology and one in zoology, and a geolog- 
ical atlas. He personally did a large part of the field work and 
wrote the descriptions of a number of the counties. In the 
course of his work about Lake Erie he arrived at important con- 
clusions concerning the preglacial drainage of the glaciated 
region and of the geological history of the Great Lakes, which 
later investigations have justified and which show his powers of 
insight and generalization. 
Early in his work, Dr. Newberry made practical application 
. of his knowledge, his first paper in economic geology bearing 
date 1857. Thirty-eight of his titles fall into this class, most 
of them, however, after 1880. His opinion came to be highly 
valued and much sought after in relation to various kinds of 
mining properties, and frequent journeys were made in different 
directions, even to Mexico. Probably no other man has had, 
from personal observation, so full knowledge of the geology 
and resources of our national domain. ‘The economic collec- 
tions of the Columbia Museum were enlarged by these scien- 
tific trips to mining and quarrying districts. He also had a 
practical interest in the application of his science, and at one 
time was a large holder of petroleum lands, and had interests in 
Vermont marble quarries. 
Dr. Newberry was one of the editors of Johnson’s Cyclopedia, 
and wrote several of the papers in Appleton’s Cyclopedia. 
It is evident that Dr. Newberry’s early experience in the 
western fields greatly influenced his mind and all his later work. 
To an intellect naturally comprehensive and sympathetic the 
years spent among the imposing natural features of the west 
added great breadth and power. The sweep of his experience, 
with his learning and mental grasp, enabled him to treat geo- 
logical problems in a large way. He was never trivial or flippant 
or superficial. In his speaking and writing the loftiness of his 
Trausactions N. Y. Acad. Sci. Vol. XII. May 26, 1893, 
