96 



SEA AND LAND 



properly to be classed as marine animals, at least in their 

 more essential qualities. There seems to be not sufficient 

 nervous energy to spare from the ceaseless turmoil of the 

 combat which goes on among the creatures of the sea, to 

 afford the basis for intellectual development. All the small 

 share of force which these animals with their scanty supply of 

 oxygen can engender goes to the labor of flight and chase ; 



Antennarius . 



A creature related to our shore goose-fish, but adapted to live in water of moderate depth. 



the ceaseless struggle to obtain food or to avoid falling a prey 

 to their enemies. Although the mental processes of these 

 creatures of the deep are limited, their physical growth is 

 marvellously vigorous, and creates an amazing variety of 

 forms, which are so far hidden below the veil of the waters 

 that even the eager search of the naturalist has but imper- 

 fectly disclosed them. 



