J 74 The American Naturalist. [February, 



A. Konig, 1; N, Y. State Library, Capitol, Albany, 2; Eckley B. 

 Coxe, Drifton, Pa. (dead), 2 ; University of Nebraska, 1 ; Kansas State 

 Library, 1 ; B. S. Lyman, 1 ; Johns Hopkins University, 1 ; F. W. 

 Matthieson, La Salle, 111., 1 ; Lehigh Valley R. R. Co., Philadelphia 

 1 ; E. V. d'lnvilliers, Philadelphia, 1 ; University of Wisconsin, Mad- 

 ison, Wis., 1 ; Second Geological Survey of Pennsylvania, 2 ; ' State 

 Mining Bureau of California, 1 ; Washington University, 1 ; Dr. R. W. 

 Raymond, 1 ; Franklin Institute, Phila., 1 ; Harvard Co'llege Library^ 

 1 ; University of North Carolina, Chapel Hill, 1 ; University of the Citv 

 of New York, 1 ; Massachusetts Agric. College, Amherst, 1 ; W. S. 

 Keyes, San Francisco, Cal., 1 ; R. D. Baker, Philadelphia, 2 ; S. F. 

 Emmons, U. S. Geological Survey, Washington, D.C., 1 : H. M. Sims, 

 Shenandoah, Page Co., Va., 1 ; American Museum of Natural History, 

 N. Y., I ; 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, Phila- 

 delphia (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. Klepotoko, 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, Phila- 

 delphia (dead), 1 ; Worcester Polytechnic Institute, 1 ; Julius Bien, 

 N. Y., 1 ; W. A. Ingham, 1 ; Dr. Jas. P. Kimball, 109 East 15th St.[ 

 N. Y. City, 1 ; Dr. J. S. Newberry, N. Y., Dec. 29, '87, 1 ; New 

 Harmony Institution, Ind., 1 ; R. Ellsworth Call, Des Moines, Iowa, 1 • 

 Bost. Soc. Nat. Hist, 1 ; Hastings, Jno. B, Ketehum, Alturas Co., 

 Idaho, 1 ; Geol. Surv. of Minn., Minneapolis, Minn., 1 ; Lacoe, R. D., 

 Pittston, Luzerne Co., Penna., 1 ; Yassar College, Poughkeepsie, K 

 Y., 1 ; Mt. Holyoke Seminary, South Hadley, Mass., 1 :, Colby Lni- 

 versity, Waterville, Me., 1 ; Cincinnati Soc. of Nat. History, 1 ; Packer 

 Collegiate Institution, Brooklyn, N. Y., 1 ; Emmens, Stephen H., Har- 

 rison, N, Y., 1 ; School of Mines, Rapid City, Dakota Territory. 1 ; 

 Ohio University, Athens, O., Prof. A. D. Morrill, 1 ; Proctor, John R.^ 

 Franklin, Ky., Aug. 19, '88, 1 ; Rose Polytechnic School, Terre Haute, 

 Ind., Aug. 19, '88, 1 ; Read, Jas. P.. Calico, San Bernard Co., Aug. 31, 

 '88, 1 ; Oberlin College, Ohio, Aug. 23, '88, 1 ; Frazer, Persifor, Phila- 

 delphia, 1 ; Streator Township High School, La Salle Co., 111., R. Wil- 



