3SO 



Index 



Pimelodus gracilis, 179, 180; 

 maculatus, 175; margina- 

 tus, 178, 179. 



Pipewort, 104. 



Pistia stratiodes, 92. 



Planorbis corneus, 306. 



Plantain, Water, 98. 



Plants, Aquarium, 30; Bog 

 or Swamp, 30, 98; Free 

 floating, 81 ; Rooted sub- 

 merged, 30; with floating 

 leaves, 30, 75 ; Swimming, 

 30. 



Pletodon glutinosus, 260, 

 261. 



Pomotis elongatis, 146, 147 ; 

 marginatus, 147, 148. 



Pomoxys sparoide.s, 159. 



Pondweed, 53 ; Dense, 55 ; 

 Wavy-leaved, 53, 54. 



Pontederia cordata, 100. 



Potamog'eton, 53 ; amplifo- 

 lius, 56, 57; crispus, 53, 

 54; densus, 55; perfolia- 

 tus, 55. 



Pout, Horned, 174. 



Proserpinaca palustris, 35, 

 56. 



Proteus anguineus, 271. 



Pumpkinseed, 143, 145. 



Rana catesbiana, 280, 281 ; 



clamata, 283 ; virescens, 



281, 282. 

 Ranatra fusca, 299, 300. 



Ranunculus aquatilis, 62: 



divaricatus, 62. 

 Redeye, 158, 159. 

 Refuse corner, 343. 

 Reptiles, 218. 

 Rhinichthys cataractae, 165 ; 



atronasus, 163, 164; glori- 



osus eggelingii, 166. 

 Rbodeus amarus, 133. 

 Riccia, Floating, 89, 91 ; 



lluitans, 89, 91. 

 Rockfish, 160, 161. 

 Runner, Water, 297. 

 Rush, Creeping, 68, 69. 



Saccobranchus fossilis, 183, 

 184. 



Sagittaria montevidensis, 

 100 ; natans, 66, 67 ; sagit- 

 taefolia, 99; sagittaefolia 

 fl. pi. 99; sandfordii, 100; 

 sinensis, 99; species, 96, 

 97- 



Salamanders, 250; Brown, 

 264 ; Black, 265 ; Eel, 275, 

 276; Red, 257, 258; Red 

 Mountain, 259 ; Spotted, 

 262, 263 ; Striped, 262, 263 ; 

 Viscid, 260, 261. 



Salmandra rubra montanus, 

 259. 



Salvinia auriculata, 89, 90 ; 

 floating, 87, 88; natans, 87, 

 88. 



Saprolegnies, 153. 



