EXPLANATION OF PLATE II., Continued. 



Pig. 4. — ^Floating appai'atus for hatoliing in running streams, 

 consisting of a wioker-box or basket, in which are fitted hurdles, 

 as in the other apparatus. 



Fig. 4a. — Hurdles for the floating apparatus. 



Fig. 5. — Box for transporting the eggs. 



Fig. 6. — Small perforated leaden shovel for lifting from the 

 hurdles the fish just hatched, to transfer to the tubs or running 

 streams. 



Fig. Y. — Brush of badger-hair for the purpose of cleaning the 

 eggs of the sediment which settles upon them. 



Fig. 8. — A salmon's egg developing. 



Fig. 9. — A salmon just hatched; a, its umbilical bladder. 



Fig. 10. — A young salmon having been fed from its umbilical 

 bladder. 



Fig. 11. — Young salmon, aged three months, reared at the 

 College of France. 



Fig. 12. — A young salmon, aged six months, reared at the same 

 place. 



