■^^O [May 18, 



Eogers, Madison, N. J, ; New Jersey Historical Society, New- 

 ark, N. J. ; Profs. W. Henry Green, Charles W. Shields, 

 0. A. Young, Princeton, N. J. ; Dr. Charles B. Dudley, Altoona, 

 Pa. ; Dr. Eobert H. Alison, Ardmore, Pa. ; Prof. M. H. Boyc, 

 Coopersburg, Pa. ; Hon. Eckley B. Coxe, Drifton, Pa. ; Dr. 

 Traill Green, Prof. J. W. Moore, Rev. Thomas C. Porter, 

 Easton, Pa ; Mr. Andrew S. McCreath, Harrisburg, Pa. ; 

 Haverford College, Prof. Lyman B. Hall, Haverford, Pa. ; 

 Mr. John Fulton, Johnstown, Pa. ; Linnean Society, Lancas- 

 ter, Pa. ; Prof. F. A. Genth, Jr., Lansdowne, Pa. ; Mr. P. F. 

 Rothermel, Linfield, Pa. ; Hon. James T. Mitchell, Prof. 

 Albert A. Smyth, Philadelphia; Philosophical Society, West 

 Chester, Pa. ; Col. H. A. DuPont, Wilmington, Del. ; U. S. 

 Geological Survey, Surgeon-General's Office, U. S. Coast and 

 Geodetic Survey, Smithsonian Institution, Catholic University, 

 U. S. Weather Bureau, Drs. J. S. Billings, W. J. Hoffman, 

 Col. Garrick Mallery, Prof. Charles A. Schott, Mr. William 

 B. Taylor, Washington, D. C. ; University of Tennessee, 

 Knoxville ; Texas Academy of Science, Austin ; University of 

 California, Prof. Joseph Le Conte, Berkeley, Cal. ; Lick Ob- 

 servatory, Mt. Hamilton, Cal. ; Prof. George Davidson, San 

 Francisco, Cal. ; Academy of Natural Sciences, Davenport, la. ; 

 State Historical Society, Iowa City, la. ; Kansas University 

 Quarterly, Lawrence ; Nebraska State Historical Society, 

 Agricultural Experiment Station, Lincoln, Neb. ; State Agri- 

 cultural College, Fort Collins, Colo. ; Academy of Science, 

 Tacoma, Wash. ; University of Wyoming, Laramie ; College 

 of Agriculture, Las Cruces, New Mexico. 



Letters of acknowledgment for Certificate of Membership 

 were received from Dr. Samuel A. Green, Boston, ACass. ; 

 Prof. J. M. Hoppin, New Haven, Conn. ; Gen. Isaac J. Wis- 

 tar, Philadelphia. 



Accessions to the Library were reported from the Geologi- 

 cal Survey of India, Calcutta ; R. Accademia degli Agiati, 

 Roveredo, Tyrol ; Osservatorio Astronomico Meteorologico, 

 Triest, Illyria ; Universitc de Lyon, France ; Socictc de Geo- 

 graphic, Toulouse, France; Royal Institutiou, Loudon, Eng. ; 



