DEVELOPMENT OF THE YOUNG SALMON. 



No. 1. Egg of salmon, natural size, just taken from the 

 parent fish. 



No. 2. The same, with the eyes of the young fish just be- 

 coming apparent ; this takes place about the thirtieth or 

 thirty-fifth day, according to the temperature. 



No. 3. The young fish coiled up in the egg, and just ready 

 to be hatched. 



No. 4. The young fish emerging from the shell. 



No. 5. The empty egg-shell, showing longitudinal rent made 

 by the young fish. 



No. 6. Young salmon about two days old, natural size. 



No. 7. The young salmon (about two days old), magnified. 

 The umbilical vesicle, containing the yelk and the oil globules, 

 with blood-vessels ramified on its surface ; the head the 

 huge eyes the badly-developed mouth the fins and the thin 

 transparent body, should be observed. 



