advertisement; 
United States Commission of Fish and Fisheries, 
Washington, I) C. 
For the purpose of utilizing and of promptly publishing the large 
amount of interesting correspondence of the Fish Commission in refer- 
ence to matters pertaining to fish-culture and to the apparatus, methods, 
and results of the fisheries, Congress, on the 14th day of February, 1881, 
by joint resolution (H. Ees. 372), authorized the publication annually of 
a Bulletin, a portion of the edition to be distributed signature by signa- 
ture, and the remainder in bound volumes. The present volume is the 
seventh of this series, and contains many announcements which are be- 
lieved to be of great importance in relation to the subject in question. 
Marshall McDonald, 
Commissioner. 
in 
