Toads 192 



Total energy requirement 3, 4 



Total increase 128, lAA, 1A5 



Total metabolisra 1, 2 



Total production of the German pond industry 71 



Total protein 18 , 19 



Toxic subs tances 58 



Toxicity of Limnaea peregra 33 



Toxins, cadaveric (ptomaines) 27, 135 



Toxins, putrefaction (ptomaines) 27, 135 



Tractor, caterpillar type „ 160tt 



Tractor plow 159*, l^Ott 



Tractor, wheel- 159* 



Transportation appliances 18/+, lB5<t 



Transportation of brood 184., 185 



Transportation of fishes 18i 



Transportation, see shipment, live shipment 184 



Trap, box type 192 



Trap, spring 192 



Trees at the pond shore , 152 



Triaenodes (small caddis larvae) 33 



Triaenophorus ( flat worms ) 209 



Triarthra 32 



Trichopterae, see also caddis flies 12 



Trough, leveling 113^;- , 114 



Trout, adaptability of 94, 9^/, 105 



Trout as a side issue 93 



Trout, blind 16 



Trout, blood freshening in 105, 106 



Trout brood, capable of feeding 120k-, 121, 122 



Trout brood feeding , I48, I49, 150» 



Trout brood, first take up of nutrition by 121, 122 



Trout brood, food materials 133 



Trout brood , malformations 197 



Trou t-brood ponds 123» 



Trout brood, setting out of feeding-ccanpetent 121 



Trout brood, setting out of nursery feed 121, 122 



Trout brook 94^ 95, 99, loo 



Trout, brook (brown) 13, 93, 94*, 124 



Trout, care of spawning 100 



Trout, coloration of the brook (brown) 93 



Trout, coloration of the rainbow- 96, 97 



Trout culture 93 



Trout culture, growing methods in 121, 122, 123 



Trout culture in s oil evaluation 125 



Trout culture, natural ponds in 99, 121, 122 



Trout, daily food weight for i/,b 



Trout , degne ration phenomena in IO6 



Trout eggs 114«, 196 



Trout eggs, bursting I98 



Trout eggs (rainbow) , development duration Hb* 



Trout eggs , development time of II5 , 116» 



Trxjut eggs, selection of , 118» 



Trout feeding I47, 1/,« 



Trout, feeding of spawning 98, 99, 133, 143 



Trout fingerling production 121 



Trout fingerlings, feeding of 150» 



Trout fingerlings, size classes 124 



Trout fingerlings, sorting of 123 



Trout food mixtures I36 



Trout food "Salmona" I36, 137 



Trout foodstuffs I33 



257 



