1905.] 



NATURAL SCIENCES OF PHILADELPHIA. 



927 



brought about by improvements in cases and boxes. The Conservator 

 gratefully acknowledges assistance from Dr. P. P. Calvert, Mr. J. A. G. 

 Rehn, Mr. E. T. Cresson, Jr., and Mr. Henry L. Viereck. One member 

 and three associates have been elected during the year. 



At a meeting held December 28, 1905, the following persons were 

 elected officers for the ensuing year : 



Director, 



Vice-Director, . 



Treasurer, 



Recorder, 



Secretary, 



Conservator, 



Publication Committee, 



Philip Laurent. 

 H. W. Wenzel. 

 E. T. Cresson. 

 Henry Skinner, M.D. 

 Frank Haimbach. 

 Henry Skinner, M.D. 



< James H. Ridings, 



(C. W. Johnson. 



Henry Skinner, 



Recorder. 



The Botanical Section. 



The Botanical Section reports the collections at present to be in 

 excellent condition, the Conservator having devoted most of his time 

 to mounting and distributing the accumulation of material which has 

 been on hand for some years. Progress has been made in the mount- 

 ing of the Short Herbarium, and the MacElwee plants have been in large 

 part mounted and are ready for cataloguing and distribution. It is ex- 

 pected that this work will be completed early in the coming year. 



The additions to the Herbarium during the year consist of 4,850 

 sheets and, while not so large numerically as those of the year previous, 

 contain many specimens not formerly represented in the collections. 



Contributions have been received from Messrs. Charles S. William- 

 son, George Hartnell, Dr. John W. Harshberger, Benjamin H. Smith, 

 Samuel S. Van Pelt, E. G. Vanatta, Joseph Crawford, Witmer Stone, 

 the Conservator, and others, with exchanges from the New York 

 Botanical Gardens and the United States Department of Agriculture. 



The Academy's expedition to Fulton County, Pa., in June, added 94 

 sheets of plants from that region; and the exploration of Bermuda, 

 under the joint auspices of the Academy and the New York Botanical 

 Garden, brought back probably the most comprehensive collection of 

 vascular plants ever taken from the islands, consisting of more than 

 400 numbers and 4,000 individual specimens, to be divided between 



