142 Salmon at the Antipodes. 



in one of the domains of the Emperor, where 

 for several years M. Coste has carried out, 

 under the eyes of his Majesty, some extensive 

 experiments. The little pond which has been 

 the scene of this curious phenomenon is 

 situated in the hollow of a shady valley, and 

 is only about two and a half acres in extent. 

 Its depth is about 20 feet at the embankment, 

 while the depth decreases gradually towards the 

 other end, the bottom being well covered with 

 vegetation. The water is pure and always 

 cold, being supplied by springs from the slopes 

 around, and is sufficiently abundant to form a 

 cascade at the point where it overflows the 

 reservoir. Three years ago this pond was 

 empty while some repairs were in progress, 

 and when the bank was closed the water soon 

 accumulated so as to fill the reservoir. M. 

 Coste placed in it some trout of a year old, 

 which he had placed temporarily, under the 

 surveillance of the Emperor, in a little pond 

 of about six feet square. These trout are now 

 four years old, and are 19 to 22 inches in 

 length. In April and May, 1857, several 

 thousands of young salmon, placed for hatch- 

 ing at the College de France, two months 



