THE STANDARD 



NATURAL HISTORY. 



EDITED BY 



JOHN STERLING KINGSLEY. 



Vol. III. 

 LOWER VERTEBRATES. 



WHnstv^UA 



BY TWO HUNDRED AND SEVENTY WOOD-CUTS AND SIXTEEN 

 FULL-PAGE PLATES. 



Soston: 



S. E. CASSINO AND COMPANY. 

 1885. 



