1896.] Proceedings of Scientific Societies. 163 



ican Museum of Natural History." The Expedition passed into the 

 Uinta beds of N. E. Utah, then between the Eastern escarpment of the 

 Uinta range and the Green River into the Washakie Beds of S. W. 

 Wyoming, the most important result geologically being that the Brown 

 Park deposit is found to be of much later age then the Uinta.— 

 Bashford Dean, Recording Secretary. 



American Philosophical Society.— The following communica- 

 tions were read : " The Use of Photography for the Detection of Differ- 

 ences in Chemical Composition, in Age, and in Fluidity of Inks," 

 Prof. S. P. Sharpies. " Some Observations on the Forgery of a Mark," 

 and " Detection of a Forgery in the Fraudulent Use of a Signature 

 Stamp," Dr. Persifor Frazer. 



Academy of Natural Sciences.— Philadelphia, December 31st. 

 —The following officers were elected : President, Samuel G. Dixon, 

 M. D. ; Vice-Presidents, Thomas Meeban, Rev. Henry C. McCook, D. 

 D. ; Recording Secretary, Edward J. Nolan, M. D. ; Corresponding 

 Secretary, Benjamin Sharp, M. D. ; Treasurer, George Vaux, Jr.; 

 Librarian, Edward J. Nolan, M. D. ; Curators, Henry A. Pilsbry, 

 Henry C. Chapman, M. D., Arthur Erwin Brown, Samuel G. Dixon, 

 M. D. ; Councillors to Serve Three Years, Uselma C. Smith, William 

 Sellers, Charles E. Smith, John Cadwalader ; Finance Committee, 

 .Charles Morris, Chas. E. Smith, Uselma < '. Smith. William Sellers, 

 Charles P. Perot ; Council, Isaac J. Wistar. 



The American Morphological Society held its annual meeting 

 at the University of Pennsylvania, Dec. 26, 27, and 28, 1895. The 

 stated business of the first session was the Report of the Committee of 

 Affiliation with the American Society of Naturalists. After consider- 

 ing this report the Society voted against affiliation. The following 

 were elected to membership: C. J. Herrick, Denison University, 

 Granville, Ohio; E. G. Conklin, University of Pennsylvania, Phila- 

 delphia, Pa. ; F. R. Lillie, University of Michigan, Ann Arbor, Mich. ; 

 F. C. Kenyon, Clark University, Worcester, Mass.; T. H. Mont- 

 gomery, Jr., West Chester, Penna. ; J. L. Kellogg, Olivet College, 

 Olivet,* Mich. ; J. I. Peck, Williams College, Williamstown, Mass. ; and 

 A. D. Meade, Providence, R. I. 



At the second session, December 27, the following papers were read 

 and discussed : " Panplasm," by Prof. C. S. Minot ; " The History of 

 the Centrosome in Thalassema," by Mr. B. B. Griffin ; " The Centro- 

 some in its Relation to Fixing and Staining Agents," by Prof. E. B. 

 Wilson ; The Production of Artificial Archoplasmic Centers," by Prof. 



