Jan. 1935 Annual Report of the Director 163 



tures of racial types in Chauncey Keep Memorial Hall (Hall 3). 

 These casts are being stored so that they may be available for 

 filling any orders which may be received from other institutions, or 

 from individuals, for duplicates of any of the sculptures. Some such 

 duplicates have already been sold. 



As in 1933, there were loaned to A Century of Progress exposition 

 during its 1934 season twelve of the traveling exhibits of the Depart- 

 ment of the N. W. Harris Public School Extension, for display in 

 the Hall of Science. Likewise, from the Department of Zoology 

 there were loaned to the exposition 116 specimens of birds and mam- 

 mals, and ten fish models, which were used in the biological section 

 of the Hall of Science to illustrate speciation. 



The series of radio broadcasts on the Museum and its activities, 

 begun in 1933 at the invitation of WGN, the Chicago Tribune 

 station, was continued in the early part of 1934. The Director and 

 Departmental heads of the Museum were the speakers. 



The habitat groups of birds in Hall 20 were reproduced as 

 illustrations in a book entitled The Bird Kingdom, published by the 

 Orthovis Company, of Chicago, as a companion volume to The 

 Animal Kingdom, which appeared in 1933 with pictures of many 

 of the Museum's mammal groups. In these books the pictures are 

 printed by a special process which gives an illusion of three dimen- 

 sions when they are viewed through an optical device called the 

 "ortho-scope" which accompanies each book. The same publisher 

 issued also four smaller books, for children, illustrated with "three- 

 dimensional" pictures of Field Museum mammal groups. 



Among books written by members of the Museum staff and 

 published outside in 1934 is Homes and Habits of Wild Animals, 

 by Mr. Karl P. Schmidt, Assistant Curator of Reptiles. This is 

 a companion volume to Traveling with the Birds, by Mr. Rudyerd 

 Boulton, Assistant Curator of Birds, published late in 1933. Both 

 books contain attractive colored illustrations by Walter A. Weber, 

 an artist formerly on the staff of the Museum. These books are 

 published by M. A. Donohue and Company, Chicago. 



In recognition of the capable and efficient manner in which 

 they have administered their respective Departments, the Board 

 of Trustees at its meeting held September 17, approved the appoint- 

 ment of Acting Curator B. E. Dahlgren as Curator of the Depart- 

 ment of Botany, and of Acting Curator Henry W. Nichols as Curator 

 of the Department of Geology. These appointments became 

 effective on October 1. 



