GET ACE A. 



769 



condenses into a cloud, which is sometimes increased by 

 an accidental puff of spray. 



The kidneys are lobulated. The testes are abdominal. 

 There are no seminal vesicles. The uterus is bicornuate. 

 The placenta is non - deciduate and diffuse. The two 

 mammae lie in depressions beside the genital aperture, and 



FIG. 414. Pelvis and hind-limb 

 of Greenland whale (Balcend). 

 After Struthers. 

 P., Pelvis ; F., femur ; 7 1 ., tibia. 



the milk is squeezed from special reservoirs into the mouth 

 of the young. Usually a single young one is born at a time, 

 and there are never more than two. 



All are carnivorous; but, while many feed on small 

 pelagic animals, other swallow cuttles and fish, and Orca 

 attacks other Cetaceans "land seals. Most are gregarious, 

 and live in schools or herds. 



[TABLE. 



