 | 1842 - 648 páginas
...spawning, and when the fish have cast, take them out and turn them adrift into the river ; then move the box into shallow water, which, being influenced...trust the hint will not be objected to by my readers." Mr. B. having diverged in this pleasant way from carp, tench, and jack, it offers to us an opportunity... | |
 | 1846 - 392 páginas
...adrift. Then move the box into shallow water» which being influenced by the rays of the sun, will early bring forth the fry. Keep them in the box until they are about half an inca long, after which turn them out on the shoal water." ] Successful experiments in spawning, have... | |
 | Robert Hamilton (M.D., F.R.S.E.) - 1860 - 470 páginas
...: then move the box into shallow water, which, being influenced by the rays of the sun, will early bring forth the fry : keep them in the box until they are about half an inch long, and then turn them out on the shallows." (Treat, on the Management of Fresh-water Fish, 19). — It... | |
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... milter of good size, then sink it in the deep stream where there is plenty of water, so that it may be well covered during the period of spawning, and when the fish have cast, take them out and turn them adrift into the river ; then move the box into... 