EXTINCT ANIMALS 

 details it agrees with scorpions (see Fig. 213) 



Fig, j209. — Eurypterus fischeri,a marine Scorpion-like animal 

 from the Silurian rocks of Rootzikul. Half the size of 

 natiire. (Cut lent by Macmillan's Co., New York, from 

 Zittel's Palceontology. ) 



and differs from crabs. It is the only surviving 

 representative of the aquatic ancestors from 



