1. Newly exuded egg, not fecundated, 

 wrinkled and unexpanded surface 

 covered with vesicles. Full and 

 lateral views. 



Egg. four and ten hours after 

 fecundation, showing germination 

 and formation of membrane. 



H. Development of embryo and plasmic 

 processes at edge of membrane 

 24 and 34 hours after spawning. 



Development of alevin and yolk-sac, 

 50 and 58 hours after spawning 



5. Free-swimming alevin attached to 

 the yolk sac, showing skeleton, 

 partly developed digestive organs 

 and surface colors. Four days old. 



♦). Alevin live days old; dorsal 

 caudal lins partly developed. 



and 



7 Alevin seven days old; pectoral and 

 anal tins developed. 



8, The fully developed Telescope fry, 

 ten days old. 



PLATE II 

 EMBRYOLOGY OF THE GOLDFISH 



FROM GOLDFISH BREEDS AND OTHER AQUARIUM FISHES BY H 

 COURTESY OF INNES AND SONS 



T WOLF 



