Sketch of W. W. 31 other. — Hitchcock. 7 
and Lower Devonian. The succeeding " Black slates" are 
Upper Devonian. The " Waverly sandstone" finally proves to 
be the lowest Carboniferous, though referred to the Portage 
and Chemung groups in 1842 by professor Hall. The two 
latest members are the Conglomerate or Millstone grit and 
the Coal Measures. He found the beds of coal to be of great 
value, and interested bimself in his later life by investing in 
these lands and laboring earnestl}'^ for their development. The 
great industries located in Ohio, dependent upon coal and 
iron, amply confirm the correctness of the judgment of Prof. 
Mather in those early days of their great value. 
Mr. Mather received the degree of M. A. from Wesley an 
University, Middletown, in 1S34, and that of LL. D. from 
Brown University in 1855. 
He was a member or corresponding member of numerous 
scientific societies, among which may be named: 
Yale Natural Historj^ Society, New Haven, 1836. 
Lyceum of Natural History, New York, 1837. 
Academy of Natural Sciences, Philadelphia, 1838. 
Association of American Geologists, ISiO. 
Association of American Geologists and Naturalists, 1811. 
National Institute, Washington, D. C, 1842. 
American Association for the Advancement of Science, 1817. 
He was also a member of various philosophical and histor- 
ical societies, viz. : 
Ohio Philosophical and Historical Society. 
Connecticut Historical Society. 
Historical and Geological Society of Norwalk, O. 
Minnesota Historical Society. 
He was trustee of Granville College, O., from 1840 to 1855, 
and a life member and director in many religious organiza- 
tions. 
List of OfficiuJ iind Profesaional Ponifi.ons held hij W. W. Mather. 
18-28. 
Brevet Second Lieutenant, U. S. Army, July 1st, 1828. 
Acting Assistant Instructor of Artillery at West Point during the en- 
campment, June, July and August, 1828. 
Assigned to duty with Cth Regiment Infantry at Jefferson Barracks 
School of Practice, 1828. 
Promoted t(> Second Lieutenant, 7th Infantry, -July 1st, 1828. 
1829. 
Ordered to 7th Regiment at Fort Jessup, April, 1829. 
Ordered to West Point as Acting Assistant Professor of Chemistry, 
Mineralogy and Geology, June 29th, 1829, and remained on duty there 
until June, 18.35. 
