314 



INDEX. 



Pike, 151 



" Pippins, Golden," 164 



Pisidium, 189, 191 



amnioum, 192 



fontinale, 192 



nitidum, 192 



pusillum, 192 



roseum, 192, 193 

 Planaria brunnea, 282 



laotea, 282 



torya, 282 

 Planarian Worms, 282 

 Planorbes, 303 

 Planorbis, 172 



albns, 176 



oarinatns, 174 



oontortus, 177 



oomeus, 163, 167, 173 



glaber, 178 



lineatus, 176 



marginatuB, 175 



nautileus, 178 



nitidus, 177 



spirorbis, 176 



Tortex, 175 

 Plantain, Great Water, 81 

 Plants, 59, 303 



introducing, 59 



lead for sinking, 32 

 Plea minutissima, 239 

 Polyoelis nigra, 282 

 Polygonum amphibium, 80 

 Polypes, 297 

 Pomeranian Bream, 131 

 Pond-weed, Broad-leaved, 84 

 Pope, 138 



Portable aquarium, 18 

 Position for aquaria, 48 



for cabinet aquarium, 25 

 Potamogeton natans, 84 

 Pots for plants, 45 

 Propagating glasses, 5, 26 

 Proportions of aquaria, 3, 302 

 Protection from sunlight, 49 

 Prussian Carp, 118, 120 

 PulmobranoMate snails, 164, 



172 

 Pumice-stone for making rock- 

 work, 44 

 Pump for aerating, 55 



E. 



Eana esculenta, 96 



temporaria, 96 

 Banatra, 232 



linearis, 234 

 Kauunculus aquatilis, 71 



hederaceus, 72 

 Recapitulation, 302 

 Reducing temperature, 49 

 Red Wriggler, 268 

 Ehynohopliora, 225 

 Biccia fluitans, 90 



natans, 90 ' 

 Eing-footed Gnat, 263 

 Eiver Bullhead, 142 



Crayfish, 284 



Lamprey, 157 



Worm, 276 

 Eoach, 121 

 Eockwork, 43 



to hide fountain-pipes, 52 

 Eudd, 124 

 Euffe, 138 



" Euins " out of place in aquaria, 4 

 Eules for aquarium-keepers, 302 

 Eush, Flowering, 80 



Sagittaria sagittifolia, 82 

 Salmo alplnus, 150 



fario, 148 

 Sand for aquaria, 32, 42 

 Saprolegnia ferox, 116, 206 

 Sohlei, Golden, 128 

 Scorpion Grass, Creeping Water, 76 

 Scorpions, Water, 228, 232 

 Screech Beetle, 214 

 Screw, fresh-water, 286 

 Season for coUeoting, 41 

 Selaginella Water, 91 

 Shading, 49 



Shallowvessels, advantages of, 2, 302 

 Shapes of aquaria, 3 

 " Shark, Fresh-water," 152 

 Sharp-nosed Eel, 155 

 Shells of snails, 163 

 Shelves for cabinet aquarium, 25 

 " Shiners," 216 

 Shrimp, Fairy, 295 



