4 Vert. 
XIV. Vertebrata. 
[1916 
DEVELOPMENT. 5215 
Lange, 15 ; Tur, 22 ; Usov, 23 ; Vasiu- 
tofthin, 84. 
ETHOLOGY. . 5219 
Vincent, 26. 
AETIOLOGY. 5223 
Variation. 
Banta, 2. 
Teratology. 
Bonnet, 5 ; Tur, 22. 
Evolution. 
SSvercov, 21. 
GEOGRAPHY. 5227 
Europe, Coward, 8 ; Berger, 3. 
North America, Hlinois, Hankinson, 
12 . 
South America, Bertoni, 3a. 
