no THE OCEAN 



and smaller and the land took form and In- 

 creased in area. 



^ We know, for instance, that in prehistoric 

 times gigantic sharks swarmed in the sea, 

 sharks which were many times larger than the 

 largest of modern man-eaters, for in Florida, 

 Carolina and many other places, as well as 

 upon the bottom of the sea, their teeth are 

 found by bushels, — teeth acute as needles, 

 with sharp, saw-like edges and six inches or 

 more in length and breadth. In other places 

 we find thousands of vertebrae of huge por- 

 poise-like animals, which bore no resemblance 

 to our graceful, playful "sea-pigs" of to-day, 

 for the ancient creatures were long, slender, 

 snake-like and of gigantic size. In still other 

 places we find the remains of wonderful 

 swimming- reptiles ; some long and slender 

 and fish-like in form with jaws like crocodiles ; 

 others with great clumsy bodies and elongated 

 snake-like necks and heads, while still others 

 were eel-like in form and were veritable sea- 

 serpents. 



Many people, among them prominent scien- 

 tists, believe that a few survivors of some of 



