114 The American Geologist. February, 189$ 
Franklin Institute, Philadelphia. 1 
Harvard College Library. 1 
University of North Carolina, Chapel Hill. 1 
University of the City of New York. 1 
Massachusetts Agrl. College, Amherst. 1 
W. S. Keyes, San Francisco, Cal. 1 
R. D. Baker, Philadelphia. 2 50 
S. F. Emmons, U. S. Geological Survey, Washington, D. C_ 1 
H. N. Sims, Shenandoah, Page Co., Va. 1 
American Museum of Natural History, N. Y... 1 
Prof. Alexander Winchell, Univ. of Mich., Ann Arbor, (dead)... 1 
H. Huber, Argentine, Kansas. 1 
Jas. E. Mills, E. Quincy, Cal. 1 
Cooper Union, N. Y. 1 
Collegiate and Polytechnic Institute, Brooklyn. 1 
Cornell University, N. Y. 1 
Joseph D. Potts, Philadelphia, (dead)... 1 
Prof. J. C. Fales, Danville, Ky., Centre College. 1 
T. H. Aldrich, Blocton, Ala. 1 
Chas. Paine, Pittsburg. 1 
Colorado School of Mines, Golden, Col. 1 
Western Reserve Univ. (d. E. W. Morley), Cleveland, Ohio. 1 
F. Klepetko, Houghton, Michigan. 1 
Thos. Macfarlane, Ottawa, Canada. 1 
Arkansas Geological Survey, Little Rock. 1 
Buchtel College, Akron, Ohio.. 1 
Mercantile Library, Philadelphia... 1 
University of Michigan, Ann Arbor. 1 
Alabama Geological Survey, University of Alabama. 1 
E. S. Whelen, Philadelphia, (dead). 1 
Worcester Polytechnic Institute.!. 1 
Julius Bien, N. Y.. 1 75 
W. A. Ingham. 1 
Dr. Jas. P. Kimball, 109 East 15th St., New York City?. 1 
Dr. J. S. Newberry, N. Y., Dec. 29, *87, (second copy?). 1 
New Harmony Institution, Ind. 1 
R. Ellsworth Call, Louisville, Ky. 1 
Boston Soc. Nat. Hist. 1 
Hastings, Jno. B., Ketchum, Alturas Co., Idaho. 1 
Geological Survey of Minnesota, Minneapolis. 1 
Lacoe, R. D., Pittston, Luzerne Co., Penna. 1 
Vassar College, Poughkeepsie, N. Y.. 1 
Mt. Holyoke Seminary, South Hadley, Mass. 1 
Colby University, Waterville, Me. 1 
Cincinnati Soc. of Nat. History. 1 
Packer Collegiate Institution, Brooklyn, N. Y. 1 
Emmens, Stephen H., Harrison, N. Y. 1 
School of Mines, Rapid City, South Dakota. 1 
