316 



INDEX. 



TEALIA CRASSICORNIS 

 Tectibranchiata 

 Temperature of aquaria 

 Temperature of water . 



Terebella 



Teredo 



Trachinus draco . . 

 Trachinus vipera . . 



Trapa natans 



Trigla gurnardus . . 

 Trigla lineata 



Trigla lyra 



Triton Bibronii 

 Trophon antiquum 



Truncata 



Tubularia indivisa.. 

 Turtle 



ULVA LATISSIMA .. 

 Unio 



Uraster rubens 

 Utriculads vulgaris . 



PAGE 



29O 

 238 

 154 



31 

 141 



243 

 207 

 206 



88 

 204 

 204 

 205 



57 

 236 

 247 



304 

 177 



141 

 103 



282 

 87 



VALLISNERIA SPIRALIS 



Venus 



Veronica becca-bunga . . 

 Villarsia nymphaeoides . . 



WARD'S EXPERIMENTS 

 Warington's ditto 



Water flea 



Water never changed . . 



Water violet 



Westminister Aquarium 

 Wrasse 



XANTHO FLORIDA 

 Xantho rivulosa 

 Xylophaga 



YARMOUTH AQUARIUM 



FAG 



74 



245 



Si 



88 



13 



M 



137 



ii 



Si 



167 



192 



274 

 274 

 245 



167 



ZEUS FABER 227 



Zoarces viviparus 189 



Zoological Gardens Aquarium 1 5 



Zostera marina 146 



