PROCEEDINGS OF THE CENTENARY MEETING. xxiii 



the subject of congratulation from a like gathering of kindly and appreciative 

 friends. 



Nominations for membership were read, the elections of those formerly pro- 

 posed being deferred until the following month. 



The rough minutes were then read for criticism and approval as had been 

 the custom for nearly one hundred years, the secretary explaining that he had 

 complied with the directions of Dr. Mann and had dated the record as having 

 been made in the 137th year of the United States. 



No corrections being suggested, the minutes were adopted as read and the 

 meeting adjourned until the following morning at 10 o'clock. 



Wednesday Morning, March 20. 



The hall was filled with delegates, members, and visitors, when the President 

 dropped the gavel at 10 o'clock. The following papers, nearly all of which were 

 resumes of communications which will form a portion of the second section of 

 this volume, were then read: 



Edwin G. Conklin, Ph.D., Sc.D., Vice-President of the Academy and 

 Professor of Biology in the University of Princeton: 



Experimental Studies of Nuclear and Cell Division.* 3 

 Carlotta J. Maury, Ph.D., Lecturer on Paleontology in Barnard College, 

 Columbia University: 



A Contribution to the Paleontology of Trinidad.* 

 William J. Holland, Sc.D., LL.D., Director of the Carnegie Museum, 

 Pittsburgh: 



David Alter, the first Discoverer of Spectrum Analysis, with exhibition of 

 the Prism used by him.* 

 John William Harshberger, Ph.D., Assistant Professor of Botany in the 

 University of Pennsylvania: 



The Vegetation of the Banana Holes of Florida.* 

 Frederick William True, M.S., LL.D., Assistant Secretary of the Smith- 

 sonian Institution: 



A New Species of Delphinodon.* 

 Henry Herbert Donaldson, Sc.D., Ph.D., Professor of Neurology in the 

 Wistar Institute of Anatomy and Biology. 



The History and Zoological Position of the Albino Rat.* 

 Edward Browning Meigs, M.D., Fellow in Physiology in the Wistar 

 Institute of Anatomy and Biology : 

 The Ash of Smooth Muscle. 4 



3 An asterisk after the title of the paper indicates that an abstract has been published in advance in 

 the Proceedings of the Academy, LXIV, 1912. 



4 The entire article is in The Journal of Biological Chemistry, May, 1912. This paper was prepared 

 in association with Leon Alonzo Ryan, Ph.D., Associate Professor of Chemistry and Toxicology in the 

 University of Pennsylvania. 



