158 CLUES AND SUGGESTIONS CHAP. 



a certain very limited power of move- 

 ment of the scalp is observable in a few 

 individuals, such muscles seem to be 

 divorced in man from their appropriate 

 use. 



But it is needless to dwell on cases 

 which can only be verified by specialists 

 in anatomy, when we have in Nature 

 conspicuous cases which, when seen, 

 confront us with perpetual but baffled 

 curiosity and astonishment. The most 

 extreme case is the best for illustration, 

 and is naturally the most often quoted. 

 It is the case of the Whale. This hugest 

 of all the living vertebrata is so exclu- 

 sively adapted to life in the ocean that if 

 by accident it is stranded on the shore 

 it is speedily suffocated by the crushing 

 of all its internal organs under its own 

 enormous weight. Yet this creature, so 

 utterly destitute of any osseous structure 

 capable even for a moment of sustaining 



