for multiplying Fijh. l6l 



tfoduced into our fmall rivers ? Can it be believed that the 

 numerous tribe of the trout kind, the white, red, black, yel- 

 low fpotted; the whitling, charr, bull, phinnoc, par, fpar- 

 ling, &c. which fwarm in the rivers in Scotland, would re- 

 fufe to fupply our colonies with their fpecies ? No. There 

 can be no doubt that they would bring; thither ihat fecun- 

 dity, abundance, and riches, which rcncler them fo valuable 

 to their native ftreams. The cafe would be the fame with 

 the boudelles and huglings offered to us by the lakes of Swif- 

 ferland ; the gudgeon, the cyprinus ballarus, and the falmo 

 umbla, bred in the rivers of lower Germany. Let us open, 

 then, with thefe countries a philofophical and liberal ex- 

 change of the bed filh of France for thole of which we wifh 

 to be pofTefled. 



The fecond method of multiplying the number and quan- 

 tity of the natural productions of rivers, would be, as already 

 faid, to convey into the frefh waters thofe fifli produced in 

 fait water. 



Nature herfelf gives us examples, and we have nothing to 

 fear if we take it as our guide. Fifli, originally produced in 

 fait water, have voluntarily eftablifhed themfelves in frefh, 

 where they have loft all remembrance of the tumult of the 

 waves amidft which thofe of their fpecies play and fport. 

 Several lakes of Scotland polfefs falmon, which, abandoning 

 their erratic tafte for a calm and fettled life, have there become 

 gradually naturalized. The falmon of the rivers Cluden and 

 Nith, as well as thofe of the Dee, are evidently indigenous, 

 as is proved by their external form. The Burgeon, the fter- 

 let, and different kinds of falmon, which Pallas obferved in 

 the Kama, refide there, according to this naturalilt, without 

 interruption, and never defcend to the Cafpian fea. This 

 celebrated traveller found the fea-dog in the kke Baikal, 

 though it is never caught in the Eniflei nor in the lower 

 Angora. He fuppofes, indeed, that it has been conveyed 

 into that lake in confequence of fome confiderable variation 

 in the level of the globe, or by fome other extraordinary 

 event. On one hand, we fee \.nz foudre, a fait water fifli, 

 inhabit at prefent the Seine, and lofe itfelf in the banks of 

 Tournidos, twenty-four miles above Rouen : on the other, 

 Liancourt found the herring in the Elk, Potowmack, Hud- 

 fon's river, and the Delaware, rivers of North America; 

 and, according to Twifs, the lame fifli is caught in the frefli 

 water lakes ot Ireland : it is found in prodigious flioals in tUe 

 bafons of Loch Lomond and Loch-Eck, in Scotland ; it 

 alcends alfo tfie river Forth along with the falmon, and even 

 to a very great diftancc frc-m the fea. In Pruflia, it has been 



Vol. X. L feen 



