494 PROCEEDINGS OF THE ACADEMY OF [1892. 



All account of special collections in the immediate care of the 

 Sections or Professors of the Academy is not offered here as it is 

 properly a part of their annual reports. It is believed that all the 

 collections are in good condition. 



Lists of the additions to the museum during the year will be 

 appended, including those procured in Greenland by Professor 

 Heilprin with means supplied by the Academy. 



Respectfully submitted, 



W. S. W. RUSCHENBERGER, 



Chairman of the Curators. 



REPORT OF THE BIOLOGICAL AND MICROSCOPICAL 



SECTION. 



This section has held during the year 1892, nine meetings exclu- 

 sive of those in conjunction with the Academy. 



The membership has been increased by one new member, and one 

 name has been added to the list of contributors. 



Many interesting communications have been made, the more 

 important of which are : 



On Actinomyces bovis, by Dr. S. G. Dixon. 



A peculiarity in the skull of a Bat, by Dr. Harrison Allen. 



Young of Baculites, by Mr. A. P. Brown. 



Syphoptychium and Tubulina, by Dr. G. A. Rex. 



Films of metallic Gold, by D. S. Holman. 



Hippa, by Dr. Benjamin Sharp. 



Pinnotheres, by Dr. Benjamin Sharp, 



Joint formation among the Invertebrata, retiring address of Direc- 

 tor Benjamin Sharp. 



Additions to the property of the Section have been made as 

 follows : 



By purchase — One Spencer 1 inch objective. 

 — Two " B " eye-pieces. 



By donation — One tV inch objective, from Mr. A, P. Brown. 



One Centennial Microscope from the heirs of Dr. R. S. Kenderdine. 



About 600 slide preparations from the heirs of Dr. R, S. Ken- 

 derdine, 



About 45 slide preparations from Mr, Harold Wingate. 



