When the propagation of bass was first undertaken, it was speedily discovered that it is impossible to express eggs and milt artificially from the ripe female and male. The handling of ripe bass produces a nervous condition which prevents their ejectment, and affects even a fish taken from the nest in the act of spawning. Fish-culturists were then driven to resort to pond-culture; that is, to prepare bodies of water in which the fish might naturally spawn and ...
