•1382 
PROCEEDINGS OF THE ACADEMY OF 
[Dec., 
his continued investigations among the Indian mounds of the southern 
United States, for the accommodation of which Mr. Moore has pre¬ 
sented another mahogany and plate-glass exhibition case. 
Dr. Amos P. Brown has presented an extensive series of mollusks 
•obtained by him during several trips to Jamaica during the year, and 
Mr. Joseph Crawford, who accompanied him on one trip, has presented 
a collection of Jamaican plants. 
The H. H. Smith 1905-09 collections of fresh-water mollusks of 
Alabama were obtained by purchase, and a collection of birds from 
Chihuahua, Mexico, was presented by Dr. William E. Hughes. A 
number of mammals were also received from the Zoological Society 
of Philadelphia. 
Thirty-one storage cases and two hundred insect boxes were procured 
during the year. 
There has been a good attendance of visitors to the Museum, 
especially on Sunday afternoons, and a marked increase is noticeable 
in the number of school classes which have visited the institution under 
the charge of their teachers. 
A number of visiting specialists have made use of the study col¬ 
lections during the year in the various departments of the Museum, 
and specimens have been loaned to the following: W. W. Eggleston, 
L. W. Riddle, Bayard Long, Ivar Arividson, W. E. Clyde Todd, 
Robert Ridgwav, P. Wytsman, C. II. Eigenmann, D. G. Elliot and 
J. C. Merriam. 
Samuel G. Dixon', 
Henry A. Pilsbry, 
Witmer Stone, 
Curators. 
Report of the Department of Mollusca. 
During the past year continued progress has been made in the 
arrangement of the study collections of mollusks. About half of 
the alcoholic series has been overhauled and classified in the new 
storage cases. No work has been done on the display collection 
owing to building operations. 
Over 4.000 lots have been added to the collection, the number of 
individual specimens being estimated at over 25,000. Among the 
more interesting gifts to the collection the following may be mentioned: 
series of Jamaican and Panamic land snails collected by Dr. Amos P. 
Brown; South American shells sent by Dr. H. von Ihering of the 
Museu Paulista, Brazil, and a series from the Kaibab and Kanab 
