338 THE WORLD OF THE SEA, 
young fish perfectly protected from harm. This was the origin of 
pisciculture, a branch of industry which is daily being pursued upon 
a larger scale. Many experiments were made under the direction of 
the French Academy of Sciences, in the streams which flow down 
the valleys of the Vosges, and models were made from the apparatus 
sent from all parts of the world to our Exhibition in 1862. The 
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A GENERAL VIEW OF THE FISH-PONDS OF CONCARNEAU 
best suggestions of these were embodied in an apparatus erected 
in the laboratories of the College of France. Upon the success 
of this experiment, M. Coste was commissioned to plan upon a 
large scale, an establishment for the culture of fresh-water fish at 
Huningue, and for salt-water fish at Concarneau. 
The former establishment is really a large hatching apparatus. 
The buildings contain tanks for incubation, and basins for the 
reception of the embryos just hatched. Reservoirs outside the 
building are provided for the fry, in order to harden them to the 
changes of temperature. 
