Report U. S F C. 1898. (To face page LXXII 



Plate XIV. 



7 Fertilized whitefish egg 72 hours old, snowing segmentation 8. Whitefish egg, seventh day, embryo beginning to show. 

 well advanced. 



11. Whitefish egg, yolk-sac ruptured by rough handling, 24 

 hours old. 



DEVELOPMENT OF THE WHITEFISH EMBRYO 



1 2. Whitefish egg with triple discs 



