647 



INDEX. 



THE ITALICS ARE ILLUSTRATIONS 



Acalephoe, or Sea Nettles, 163. 

 Acanthopterygea, 621. 

 Acclimatising sponges, 73. 

 Acephalous Mollusca, 316. 

 Achatina zebra, 427. 

 Achatina zebra, 427. 

 Acrocladia mammiliata, 275, 277. 

 Actinidae, 203. 

 Actinia dianthus, 2 1 1. 

 sEquorea violacea, 157. 

 ^quorea violacea, 163. 

 Agalma rubra, 135. Its graceful appear- 

 ance, ib. Its structure, ib. 

 Alcyonaria, 218. 

 Alcyonium digitatum, 240. 

 Allice Shad, 598. 



Alternation of generation, 169, 315. 

 Alveolina ovoidea, 82. 

 Alveolina ovoidea, 85. 

 Ambulacral appendages, 256. 

 Ammodytes lancea, 604. 

 Amoeba diffluens, 77. 



,, princeps, 78. 

 Amoeba diffluens, 78. 



princeps, 78. 

 Anabas scandens, 629. 

 Analysis of sea water, 14, 16, 17, 18. 

 Anatomy of fishes, 527. 

 Anchovy (Engraulis), 603. 

 Antarctic Ocean, 3. Discoveries, 46. 

 Antipathidae, 172. 

 Apiocrinus rotundus, 264. 

 Aplysia depilans, 41 1. 

 Aplysia depilans , 412. 



inca, 412. 



,, shell of, 412. 

 Apolemia contorta, 128. 



Apolemia contorta, 131, 132. 



Aporous Madrepores, 173, 



Aquarium, the, 59. 



Arctic Ocean, 2, 40. 



Argonauta, fables concerning it, 493. 

 Aristotle's description, 494. Oppian's 

 description, ib. His mistakes, ib. 

 Rumphius, 495. Real history, 496. 

 Madame Power's experiments, 497. 

 Locomotive organs, ib. 



Argonauta argo, 495, 496. 

 ,, papyracea, 498. 



Argonauta argo, 498. 



papyracea, 498. 



Aristotle's Lantern, 279. 



Ascidia microcosmus, 309. 

 ,, pedunculata, 310. 



Ascidia microcosmus, 309. 

 ,, pedunculata, 310. 



Ascidians, simple, social, and compo- 

 site, 309. 



Aspergillum vaginiferum, 332. 



Aspergillum vaginiferum, 332. 



Asteracanthion glacialis, 258. 



Asterias attrantiaca, 256. 

 ,, rubens, 255. 



Asterias aurantiaca, 256. 

 rubens, 255. 



Asterophyton verrucosum, 2J2. 



Asterophyton verrucosum, 272. 



Astreopora punctifera, 188. 



Astreopora punctifera, 180. 



Atlantic Ocean, 2. 



Atlantic Ocean, Chart of, 6. 

 ,, ,, Section of, 8. 



Atmospheric currents, 27. 



Atolls, 1.91. 



