TABLE OF THE PERIODS OF GESTATION. 153 



TABLE OF THE PERIODS OF GESTATION 

 OF THE VARIOUS SPECIES OF THE GENUS BOS. 



American Bison . 

 European Bison . 



Gayal (Domestic) 

 Gyall - . 



Indian Buffalo 



Gaur . ; 

 Domestic Ox 



Manilla Buffalo . 



Arnee 

 Cape Buffalo 



Zebu, or Brahmin Cow 



Musk Ox . 



Periods. 



270 days. Zool. Proc., 184-9. 

 Between 9 and 10 months. 



Over 10 months. 

 11 months. 



10 months 10 days. 



12 months. 

 270 days. 



340 days. 



12 months. 

 12 months. 



300 days. 



9 months. 



To supply the deficiences in the foregoing Tables, the results of 

 original observations are respectfully solicited. Address the Author or 

 Publisher. 



