824 



INDEX. 



Nassa reticulata inha- 

 bited by Hydractinea. . 36 

 Natica glaucina inhabited 



by Hydractinea 36 



Nereis bilineata 190 



Newt, habits of 399 



Night -Lights, Noctiluca .193 

 Noctiluca miliaris, or 



Night-Lights 191. 



Nudibranchiate MoUusca 267 



Nudibranchs in the tank . ] 6 



Oculina prolifera 138 



Ophiocoma bell is 174 



Ophiuridie defined 170 



Oysters in the tank .... 16 



PachjTTiatisina Johnstonii 26 



Pagurus Bernhardus. ... 241 



Prideauxii 115 



Palsemon serratus 220 



Parasitic Anemone 103 



Pavonaria quadraugidaris 66 



Peachia hastata 123 



Pennatula phosphorea, or 



Sea-Pen 61 



PAGB 



Pennatulidae 60 



Pentacrinus Em'opaeus . . 172 



Pentacta pentactes 158 



Periwinkles in the tank . 16 



Periwinkle, its habits ... 261 



Philline quadripartita . . 272 

 Phyllophora, suitable for 



^Marine Aquaria 13 



Pipe-fish 286 



Pipewort, or Eriocaulon, 



for Presh Aquaria. ... 14 

 Planorbis devoured by 



the Water-Beetle 25 8 



Plants for Marine Aqua- 

 ria 13 



Plants for Presh-water 



Aquaria 14 



Plantain, the Water, for 



Presh Aquaria 14 



Platessa vulgaris 281 



Polypiferous Zoophytes. . 34 

 Polysiphonia, suitable for 



INIarine Aquaria 13 



Porcellana platycheles . . 239 



Plumose Anemone 105 



Plumularia pinnata .... 47 



