YOUNG SWORD-FISH (after Giinther). 



In the size of the eye, the spines which project backwards from, the head, 

 and in the development of the fins these three stages present striking con- 

 trasts. The youngest fish (at the top) did not exceed /^ of an inch in length, 

 the oldest (at the bottom) about aj inches. The adult measures about 15 

 feet long. 

 2266J 



