45 
In the cultivation of gold fish it is possible to retard 
the growth by the feeding. This would not be desir- 
able in general fishculture and is only referred to as an 
evidence of the advantages to be gained by an established 
system over absolutely natural methods. 
Whatever reception awaits it, the presentation of this 
paper can at all events do no harm. It simply reflects 
the opinions of the writer looking at the question from 
a standpoint somewhat apart from that of the trout cul- 
turist or the angler, but possibly, however, with a more 
ardent belief in a progressive future for trout culture than 
is evidenced by either. A full discussion of such ques- 
tions is certainly calculated to advance the development 
of the latent possibilities of fishculture. This belief, at 
least, is the writer’s justification for trenching upon a 
field where he is not a practical worker, but an interested 
observer only. 
(Bulletin of the U. S. Fish Commission, 1887, p. 207.) 
THE PISCICULTURAL ESTABLISH- 
MENT AT GREMAZ (AIN), FRANCE. 
By C. RAVERET-WATTELL. 
About four years ago I had the honor to call the atten- 
tion of the National Acclimatization Society to a pisci- 
cultural establishment which had been founded in the 
Department of Ain, at Gremaz, in the township of 
Thoiry, for raising trout as an industry. I pointed out 
the special interest which, in my opinion, this establish- 
ment seemed to possess, as its founders, Messrs. Lugrin 
and du Roveray, have succeeded in solving a problem of 
considerable importance from an industrial point of view, 
viz., to furnish the young fish with food solely composed 
of living prey proportioned to its size. 
It was exceedingly important to find some natural food 
