682 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 Ridgway, P. Wytsman, C. H. Eigenmann, D. G. Elliot and 



J. C. Merriam. 



Samuel G. Dixox, 

 Henry A. Pilsbry, 



WlTMER STOXE, 



Curators. 



Report of the Departmext 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 



