Rearing of races, methods 77 



Recognition process 78 



Red-fin (Leuciscus comutus) • 1^0 



Red-necked diver 192 



Red plagues 201 



Reducers 27, 28, 4.5 



Reduction works flesh ...^ 133 



Reed (Phragmites) O-, l^, 153 



Reed, coopers' 42 



Reed-cutter motor, "Oco" , 155 



Reed grasses (sedges) 42,153 



Reed hawk 193 



Reed mower, '■■three-star" I56, 157« 



Reed mowers, motor 155,156, 157 



Reed mowing-machines ,. 157* 



Reed removal 152 



Reed roller 157 



Reed-roller, Frank's 157 



Reed scythe, Oreilig 156» 



Reeds , bulbous 41 



Refrigeration room 13^ 



Regional water variation 48 



Regions in the pond 28 



Regulations for live shipment 187, 188 



Removal of plant growth 152, 158 



Reophilic anijnals 31 



Replacement metabolism ^» ^ 



Repression 198 



Reservoir of earth 180* 



■'Rhenania*' phosphate 168, 169 



Rice feed-flour 133, 136, 138 



River gull 208 



Roaches (Leuciscus rutilus) I40 



Robber fishes 11 



Robbers 3A 



Robbers of brood 34 



Rochow reed-cutting apparatus 155 



Rod bug 34 



Roe, composition of « 98, 99 



Roessing jointed scythe I54., 154*, 155 



Rotation 76, 77, 190 



Rotiferae (wheel animalcules) ..«• 11, 32, 35 



Ruff (Acerina cemua), nutrition of 12, 13 



Rushes 41, 42 



Rushes J bull (Scirpms lacustrls) 41, 42 



Rye 133, 137 



Rye flour 133, 134, 136, 138 



Sachsenhausen fertilizer investigations 167 



Sagittaria (arrow-weed) 23 



Salamander 119 



Salmo f ontinalis « 98 



Salmo iridous 95 



Salmo Shasta *. 95 



Salmo trutta 93 



Salmo trutta, variety far io 93 



Salmo trutta, variety lacustris 93 



Salmon 93, 106, 112 



"Salmona" trout food 136, 137 



Salt content 25, 139, 198 



Salt solutions detoxicated 48, 162 



Saltpetre, Chilian (sodium nitrate) 170 



Sand fly (Melusina) larvae 33 



252 



