FISH IN RIVERS AND STREAMS: A TREATISE ON THE PRODUCTION AND MANAGEMENT OF FISH IN FRESH WATERS, BY ARTIFICIAL SPAWNING, BREEDING AND REARING: SHOWING ALSO THE CAUSE OF THE DEPLETION OF ALL RIVERS AND STREAMS. By Gottlieb Boccius.

(1841) 1848 1st edition thus. 8vo (144 x 228mm). Ppviii,38 + 3pp publisher's catalogue. Original green cloth with paper title label to upper board.

Fish culture and river restoration with much on sea trout and salmon, mainly in the pursuit of their production as food". ...I trust that the number of years in which I have practised this art with perfect success will warrant me in attempting to show how rivers and streams may be restored to their former productiveness, upon simple, cheap, and unfailing principles, so that there never need be a scanty supply of fresh-water fish as an article of food". Originally published in 1841 as "A treatise on the management of fresh-water fish".