Pisciculture with Rekerkxcic to i^'auahng. 405 



all that can be accomplished in the way oi" tlieir education, 

 but it does not prove that the}' are incapable of further 

 improvement. They have all the live senses of land ani- 

 mals. They possess a bony, a muscular, a nervous, and a 

 circulatory organization. They are not without brains. And, 

 though belonging to the lowest order of vertebrate animals, 

 it will hardly be doubted that many of those varieties which 

 have become familiar to us, possess an intelhgence that is 

 equal, if not superior to that of many animals living upon 

 the land. 



The discovery of artificial incubation belongs to a French 

 monk, Dom Pinchon by name, and was described in a man- 

 uscript dated in the year 1420. It was never publislied, 

 and remained a secret until a recent time. Lund, a Swede^ 

 first invented artificial spawning boxes, but the discovery of 

 artificial fecundation of fishes' eggs was first made byLudwig- 

 Jacobi,a German, about the middle of the last century. In 1763, 

 he published an original paper giving a complete account of 

 the manner in which his discovery could be made practical^ 

 and although he himself made a practical use of it with 

 such important results that the fish so obtained became an 

 object of considerable commerce, and he was rewarded by 

 England with a pension ; and, although his paper had 

 been translated into French and Latin, and again 

 published in Paris in 1773, yet, strange as it may seem, it 

 was lost sight of for nearly one hundred years, when, a little 

 more than thirty 3'ears ago, Remy, an illiterate fisherman, 

 living among the Yosges mountains in France, was found to 

 be experimenting, with the same successful results that natu- 

 ralists had recorded a century before. He was hailed with 



