106 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1926 
January 16, 1926: Zoo notes, by Dr. William M. Mann. The Bears of 
Okefinokee Swamp, by Dr. Francis Harper, secretary of the Boston Society of 
Natural History (read by Mr. Austin H. Clark). This talk was received in 
exchange through the courtesy of Mr. Thornton W. Burgess and stations WBZ 
at Springfield and WBZA at Boston, Mass. 
January 23, 1926: Zoo notes, by Dr. William M. Mann. Bird Life in 
Kamchatka, by Mr. Austin H. Clark, Smithsonian Institution. 
January 30, 1926: Zoo notes, by Mr. Austin H. Clark. Bird Life in Venezuela, 
by Mr. Austin H. Clark, Smithsonian Institution. 
February 13, 1926: The Origin of the Harth, by Prof. Harlow Shapley, 
director of the Harvard College Observatory (read by Mr. Edward B. Husing 
of the staff of station WRC). This talk was given through the courtesy of 
Professor Shapley and station WEEI, Boston. 
February 20, 1926: Zoo notes, by Mr. Austin H. Clark. Experiences in 
South America, by Dr. Waldo L. Schmitt, National Museum. 
February 27, 1926: Announcement of the Smithsonian-Chrysler expedition 
to Tanganyika Territory, by Dr. William M. Mann. Hunting Bighorns with a 
Camera, by Dr. Vernon L. Kellogg, secretary, National Research Council. 
March 18, 1926: Zoo notes, by Dr. William M. Mann. Winter Butterflies, by 
Mr. Austin H. Clark, Smithsonian Institution. Farewell address by Dr. Mann. 
March 20, 1926: Zoo notes, by Mr. Austin H. Clark. Some Animals of Tan- 
ganyika Territory, by Mr. A. Brazier Howell, Biological Survey. 
March 27, 1926: Zoo notes, by Mr. Austin H. Clark. The Educational Value 
of the Zoo, by Dr. Frank W. Ballou, superintendent of public schools, Washing- 
ton, D. C. 
April 10, 1926: Zoo notes, by Mr. Austin H. Clark. Toads, by Dr. Remington 
Kellogg, Biological Survey. 
April 17, 1926: Zoo notes, by Mr. Austin H. Clark. My Trip to Africa for 
Animals, by Mr. Arthur B. Baker, acting director, National Zoological Park. 
April 22, 1926: Reading, by Mr. Austin H. Clark, of a letter from Dr. William 
M. Mann which was written on board the steamer Llanstephan Castle and 
posted at Marseille. 
May 1, 1926: Zoo notes, by Mr. Austin H. Clark. Ferns, by Dr. William R. 
Maxon, National Museum. 
May 8, 1926: Zoo notes. Our giant Moths, by Mr. Austin H. Clark, Smith- 
sonian Institution. 
May 15, 1926. Zoo notes, by Mr. Austin H. Clark. The American Bison, by 
Dr. Edward W. Nelson, Biological Survey. 
May 22, 1926: Reading, by Mr. Austin H. Clark, of a letter from Dr. William 
M. Mann which was written on board the steamer Lilanstephan Castle and 
posted at Aden. The Mammals of the District of Columbia, by Dr. Vernon 
Bailey, Biological Survey. 
May 29, 1926: Zoo notes, by Mr. Austin H. Clark. Birds of the Chaco of 
Argentina, by Dr. Alexander Wetmore, assistant secretary, Smithsonian Insti- 
tution. 
SMITHSONIAN-CHRYSLER AFRICAN EXPEDITION 
The absence at the park of certain large and important African 
animals that are usually considered essential to a zoological collection, 
was brought by the director to the attention of Mr. Walter P. 
Chrysler, automobile manufacturer. He became interested and 
agreed to finance an expedition to Africa to secure some of the ani- 
