122 REPORT OF NATIONAL MUSEUM, 1924 



been obtained. Through the efforts of Herbert B. Baldwin, who 

 has shown great interest, rare specimens were added to the collections. 

 For three j^ears Floyd Vail, by his untiring efforts, has been of great 

 assistance. His vast knowledge has made his advice most welcome 

 and of great value in the growth and upbuilding of the Museum's 

 photographic series. 



