82 



WHALES 



Figure 42. Ventral view of female and male Fin Whales, illustrating differences in external 



form. 



cleavage. The Admiralty Experimental Station at Haslar, in England, 

 has carried out experiments with models on this subject, Ijut the results 

 has so far been inconclusive. 



Hydrodynamic friction, however, is indubital)ly reduced by the fact 

 that Cetaceans are hairless. When we say that someone is as 'bald as a 



