TREATISE 



THE ARTIFICIAL FECUNDATION AND INCUBATION 



THE EGGS OP PISH, 



THE RE.UIINO OF THE YODNG FISH, ACCORDINQ TO THE PROCESSES OJ 



MESSRS. GEHIN AKD EEMT, FISHERMEN OF VOSQES, 



AND MEMBERS OF THE ACADEMY OF 



SCIENCES OF PARIS. 



PREPARED FROM THE FACTS FURNISHED 

 BY 



M. GEHIN 



TO 



The Editoe, C. E. P. GODENIKK, Pisheekan. 



M. GEHIN IN THE DEPAKTMENT OF ISEHE. 



Me. Gehin, one of the authors of the great dis- 

 covery of the artificial production, fecundation, in- 

 cubation and hatching of the eggs of fish, was com- 

 missioned by the government, at the instance of Mr. 

 Adolph Perier, to make a tour through the Depart- 

 ment of Isere, in the month of November, 1851, for 

 the purpose of instructing others in the processes by 



