98 



ANIMAL LIFE 



with small heads and very loose texture of the tissues, the 

 body substance being jelly-like and transparent. As the fish 

 grows older the body becomes more compact, and therefore 



FIG. 49. Stages in the post-embryonic development of the lady-fish (Albula vulpes), 

 showing metamorphosis. After C. H. GILBERT. 



shorter and slimmer. After shrinking to the texture of an 

 ordinary fish, its growth in size begins normally, although 



