342 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1926 
STANDLEY, Pau C. 
1925. New Plants from Central America—II. Journ. Wash. Acad. Sci., 
vol. 15, No. 5, p. 101. 
1925. New Plants from Central America—IV. Journ. Wash. Acad. Sci., 
vol. 15, No. 20, p. 457. 
STONE, W. 
1918. Birds of the Panama Canal Zone. Proc. Acad. Nat. Sci., Phila., 
p. 239. 
THAYER, J. E., and Bangs, O. 
1906. Vertebrata of the Savanna of Panama—aAves. Bull. Mus. Comp. 
Zool., vol. 46, p. 211. 
TOWNSEND, C. W. 
1925. An Island in the Tropics. Harvard Graduates Magazine, vol. 34, 
No. 188, p. 36. 
Van NAME, W. G. 
1926. Forest Isopods from Barro Colorado Island, Canal Zone. American 
Museum Novitates, No. 206. 
WHEELER, W. M. 
1924. Courtship of the Calobates. Journ. Heredity, vol. 15, No. 12. 
1925. A New Ant and other Formicidae from Barro Colorado Island, 
Panama. Biol. Bull., vol. 49, No. 3. 
1925. The finding of the Queen of the Army Ant., Hciton Hamatum, Fabr., 
Biol. Bull., vol. 42, No. 3. 
WISLOCKI, G. B. 
1926. Further Observations upon the Placentation of the Sloth (Bradypus 
griseus). Anatomical Record, vol. 32, No. 1. 
ZETEK, JAMES. 
1926. Barro Colorado Island Laboratory, Gatun Lake, Panama Canal Zone. 
See Shelford. 
(Many of the titles in the above list were taken from a list of papers 
published concerning Barro Colorado Island Biological Laboratory compiled 
by Mr. James Zetek.) 
