8i 



The Experimental Departmint. 



Investigations and experiments are made by this Department 

 regarding aquatic life, methods of fishing, preservation and pre- 

 paration of marine products, pisciculture, propagation, etc., and 

 the results are made known to the public in reports. 



The subjects now receiving the close attention of the Depart- 

 ment are as follows : — 



1. Habits, Habitats and P'ishing Grounds of Fishes and 

 Algae thriving in Japanese Waters. 



2. Spawning Seasons and Grounds, and the Migration of 

 Fishes. 



3. Oyster Culture. 



4. Rearing of Fries in Fresh and Salt water. 



5. The Hdro-biological Study of the Fishing Grounds. 



6. Dying and Dyes for Lines and Twines. 



7. Storage, Preservation, Curing etc., of Marine Products. 

 The Deparment studies how to improve methods of fishing, 

 to propagate important aquatic life, to utilize refuse matter, 

 and the transplanting of exotic species of fish, etc. 



