312 PROCEEDINGS OF THE ACADEMY OF [DeC, 



She attended to the packing, transfer and exhibit of a large and 

 very valuable series of shell heap material collected by Mr. Clarence 

 B. Moore on his early explorations in Florida, which was originally 

 presented to the Wagner Free Institute of Science, but which through 

 a generous donation, the Academy w^as enabled to secure for arrange- 

 ment with the rest of the Clarence B. Moore collection. 



Owing to the coal regulations and other hindrances, Mr. Moore's 

 usual autumn expedition in the southern states was prevented, while 

 his spring exploration in Florida was not very productive, owing to 

 the country visited having been so thoroughly covered by his pre- 



^ * Wither Stone, Chairman. 



Report of the Curator of the William S. Vaux Collections, 



December 1, 1919. 



During the past year, the offices of the William S. Vaux Collections 

 have been removed to the northwest corner of the building, where, 

 with ample space, it is hoped to develop an adequate mineralogical 

 laboratory. 



All accessions to date, have been incorporated in the collection, 

 after being catalogued and labelled by Mr. Samuel G. Gordon, who 

 has presented the choice of the specimens, thirty-four in all, secured 

 in connection with his collecting trips over the season, including an 

 unrivalled suite of Nesquehonite and other interesting minerals from 

 Pennsylvania localities. 



Other gifts were received from the following donors : 



Thomas Harvey. Almandite, Columbite, Tourmaline, Beryl, 

 Corundum. — Delaware Co., Penna. 



E. S. Moore. Calcite. — Montana. 



Bently R. Morrison. Cacoxenite, Apophyllite, Byssolite. — Lan- 

 caster County and Chester County, Penna. 



Frederick Pierce. Columbite and Monazite. — Boothwyn, Penna. 



Washington A. Roebling. Epidsmine. — Moore Station, N. J. 



Frederick Oldach. Epidesmine. — Robeson, Penna. 



Twelve specimens were purchased, of which one of the most im- 

 portant was crystallized orpiment from Japan. 

 Respectfully submitted, 



F. J. Keeley, Curator, Wm. S. Vaux Collections. 



REPORTS OF THE SECTIONS. 

 The Biological and Microscopical Section. — The Biological 

 and Microscopical Section held nine stated meetings during the year. 



