OCEAN SEASONS 253 



It seems more probable that the stimulating influence 

 lies in the presence of the moon, though quite how it acts 

 is hard to imagine. More, as yet, we cannot say but we 

 hope that in the future an explanation may be forthcoming. 

 At any rate these lunar rhythms, probably of very common 

 occurrence among marine animals, are receiving much 

 attention from those interested in the science of the sea. 



