FISH-PRESERVES. 113 



1841), details the circumstances of the well-known 

 Pilot-fish, Naucrates ductor, having been caught, 

 in high health and vigour, in fresh water, — Our 

 only other example shall be taken from our anti- 

 podes. Mr. E. T. Bennett, in an account to the 

 Zoological Society of some fishes which had been 

 brought from the Sandwich Islands, remarks that 

 one ground upon which they merit peculiar atten- 

 tion, is the probability, that though natives of the 

 ocean, they had actually become naturalized in fresh, 

 or nearly fresh, water, and are thus preserved for the 

 use of man. Much of the subsistence of the inhabi- 

 tants is derived from the sea ; and a prominent part 

 of the employment of the common people is to search 

 among the pools, left by the retiring tide, for the 

 smaller fry which may be there retained, to convey 

 them to ponds, in which, in a short time, they in- 

 crease to a size fit for the table. On examining 

 these ponds, Mr. Frembley, R. N., who procured the 

 fish, observed that they received their principal sup- 

 ply of water by means of small canals leading from 

 the hills above them, although in high tides, possibly 

 the waves might reach them. Other ponds, however, 

 are quite inland, and the water drinkable. Mr. 

 Bennet, in recording these facts, remarks, " It is not 

 a little extraordinary, that a fact of so much import- 

 ance to the comforts and even the necessities of life, 

 should have been brought but recently under the 

 notice of the civilized people of Europe, while to 

 the uncultivated inhabitants of these islands, it has 



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