INDEX. 



323 



Honeycomb Worm, Sa- 



belia alveolata 188 



Hydra \dridi3 34, 295 



Hydractinea echinata ... 35 

 Hydrocliaris, or Frog-bit, 

 for Presh Aquaria. ... 14 



Hydroida defined 34 



Hydi-oid Zoophytes . . 23, 32 



Iliianthus Scoticus 119 



Infusoria 74 



Insects in the tank .... IG 

 aquatic 247 



JeUy-fish 149 



Laomedea dichotoma ... 51 



gelatinosa 54 



geniculata 52 



Lerneadse, parasitic En- 



tomostraca .- 206 



Lerneonema sprattse. ... 208 

 Lepidogaster bimaculatus 285 

 Lepidosiren annectans, or 



Mud-fish 290 



Light, its proper aspect 



and colour for Aquaria 10 



PAGE 



Lily Encrinite 171 



Limnsea stagnalis 264 



Lloyd, !Mr. A., his esta- 

 blishment 8 



Lissotriton punctatus . . 302 



Littorina littorea 261 



Loach 287 



Lobster, the Common . . 226 



Lucernaria auricula .... 125 



Luida fragilissima 175 



Luminosity of Eish ..... 2 8 7 



Madrepores 129 



Medusa? 149 



reproduction of . . . 152 



Metamoi-phoses of the 



Common Crab 234 



Metamoi-phoses of Crus- 

 tacea 219 



Minnows 287 



Mollusca 15, 2G0 



Mud-fish, Lepidosiren . . 290 

 Mugil clielo,or Grey!Mullet 2 84 

 Mussels in the tank .... 16 

 Mutilation of Sea-Cucum- 

 bers 159 



