1896.] ^y 



Modena, Italy ; Ministero di Pabblica Istruzlone, Rome, Italy ; 

 Mr. James Douglas, New York, N. Y. ; Field Columbian Mu- 

 seum, Chicago, 111. ; Museo de la Plata, Provincia de Buenos 

 Aires, S. A. 



Letters of acknowledgment from the Vogtlandische Alter- 

 lumsforschende Verein, Hohenleuben, Saxony (143, 146, 147); 

 I. R Accademia degli Agiati, Rovereto, Austria (142-147) ; 

 K. Leopoldinisch-Carolinische Deutsche Akaderaie der Natur- 

 forscher, Halle a. S., Prussia (146, 147, and Trans.^ xviii, 2) ; 

 Academy of Science, Rochester, IST. Y. (148); Prof. Charles 

 A. Young, Princeton, N. J. (148) ; Mr. L. A. Scott, Philadel- 

 phia (148). 



Letters of acknowledgment (149) from the Geological Sur- 

 vey, Ottawa, Canada ; Manitoba Historical and Scientific 

 Society, Winnipeg ; Public Library, State Library, Boston, 

 Mass.; Prof C. H. Hitchcock, Hanover, N. H.; Prof. James 

 Hall, Albany, N. Y. ; Editor of Poimlar Science Monthly, 

 Profs. C. F. Chandler, Isaac H. Hall, J. J. Stevenson, New 

 York, N. Y. ; Vassar Brothers' Institute, Poughkeepsie, N. Y.; 

 Academy of Science, Geological Society of America, Roch- 

 ester, N. Y. ; Oneida Historical Society, Utica, N. Y. ; New 

 Jersey Historical Society, Newark ; Prof. Charles A. Young, 

 Princeton, N. J. ; Prof, Martin H. Boyd, Coopersburg, Pa. ; 

 American Academy of Medicine, Prof. J, W. Moore, Easton, 

 Pa. ; State Library of Pennsylvania, Harrisburg ; Hon. James 

 T. Mitchell, Rev. H. Clay Trumbull, Drs. C. N. Peirce, Wm. 

 H. Wahl, Messrs. Samuel Dickson, Patterson Du Bois, Philip 

 C. Garrett, L. A. Scott, Frank Thomson, C. Tower, Jr., Phila- 

 delphia ; Lackawanna Institute of History and Science, Scran- 

 ton, Pa. ; AVeather Bureau, U. S. Naval Observatory, U. S. 

 Geological Survey, U. S. Patent Office, Coast and Geodetic 

 Survey, "War Department, Dr. W. J, Hoffman, Prof. Chas. A. 

 Schott, Washington, D. C. ; Mr. T. L. Patterson, Cumberland, 

 Md. ; Mr. Jedediah Hotchkiss, Staunton, Va. ; Elisha Mitchell 

 Scientific Society, Chapel Hill, N. C. ; South Carolina College, 

 Columbia ; University of Alabama, University P.O.; Univer- 

 sity of California, Prof. Joseph Le Conte, Berkeley, Cal. ; Lick 



