A WHALE'S TONGUE 



A comparison of these observations and those made 

 by Scammon on the California coast show that the 

 migration periods of both herds correspond closely 

 and that the breeding grounds are in very nearly the 

 same latitude. 



The flukes of a gray whale. The edge of the flukes of this 

 species is very thick, but in most whales it is exceedingly thin. 



As yet it is impossible to state whether or not the 

 Korea or California herds mingle in the north during 

 the summer. Information gathered from the whalers 

 tends to show that a large part of the former school 

 summers in the Okhotsk Sea, and a large part of the 

 latter in the Bering Sea and farther north. Individ- 

 uals of the two herds may mingle and interbreed dur- 



203 



