INDEX. 



ACADEMY of Sciences at Paris, 63. 



Acalephs, 165. 



Achromatic lens, the, 18; meaning of 

 the word (Note), ib. 



Acrita, 44, et seq. 146. 



Actinia, the, 83, et seq. ; voracity of, 

 85, et seq.; structure of, 86, et 

 seq.; section of, 87; reproductive 

 powers of, 88, et seq. ; wide dif- 

 fusion of, 91, 



Actinia gemmacea, 86. 



Albert, archduke of Austria, 14. 



Alcyonium with polyps, 114. 



Alps, the, 150. 



Amoeba, 125. 



Analogy not identity, 164. 



Animalcules, 121, et seq.; shell-less, 

 125; organs of locomotion, 126, et 

 seq. ; mouths of, 128 ; digestion of, 

 129, et seq.; increase of, 132, et 

 seq. ; limits of habitation, 139 ; fos- 

 sil, 141 ; shields of, 142, et seq. ; 

 wheelbearing, 176, et seq.; pin- 

 cers and gizzard of an animalcule, 

 180, et seq.; oxygen yielded by, 

 183, et seq. 



Animal and vegetable tissues, 41, 

 et seq. 



Animal life, 37, et seq. ; tissues, 41, 

 et seq. 



Animals, lowest group of, 44, et seq. 



Antenularia ramosa, 74 ; vesicles 

 of, 76. 



Aristotle, on the sponge, 46. 



Astrsea, the, genus, 111. 



Astraea viridis, the polyps of, 111. 



August, Mr. 184. 



BAKER, quoted, 60. 

 Baxter, quoted, 10. 

 Beneden, Van, 79, et seq. 

 Bennett, Mr. " Wanderings" of, 



quoted, 85, etseq. 1 72. 

 Bergelius, M. Von, 141. 

 Beroe, the, 168. 



Bilin, slate ortripoli of, 143. 

 Biot, M. assertion of, noticed, 17. 

 Bog-iron ore, the, 143. 

 Boreel, Wm., letter from, noticed, 



14. 

 Boswell, Mr. his specimen of dyna- 



mena operculata, 69, et seq. 

 Bowerbankia densa, the, 99. 

 Brewster, sir David, quoted, 15, 



et seq. 

 Brown's "Botan. Schriften" noticed, 



141. 



Brussels, Academy of, 184. 

 Bryozoa, 91. 



CJENURUS CEREBRALIS, 147, 152, et 



seq. 



Campanularia volubilis, 72. 

 Carpenter, Dr. quoted, 183. 

 Carus, Dr. quoted, 43. 

 Cellaria avencularia, polyps of, 98, 



et seq. 



Cellular tissues, 24, et seq. 

 Cells, 22, et seq. 



Cerebral hydatid, the, 152, et seq. 

 Cestum Veneris, 168. 

 Chalk-beds, 143. 



Chalmers, Dr. quoted, 185, et seq. 

 Chamouni, glacier of, 150. 

 Chemical differences between ani- 



mals and plants, 40, et seq. 

 Chladni's work on Meteors, 141. 

 Chlamidonomas pulvisculus, the, 



184. 

 Cilia, 54; of coralline, 77, et seq. 



93. 



Cisticurcus tenuicollis, 154. 

 Coleridge quoted, 171. 

 Colours of the sea, 170. 

 Common hydatid, the, 154. 

 Conferva rivularis, 140. 

 Confervas, 42, 140, et seq. 

 Convallaria, the, 134, et seq. 

 Copley medal, the, 47. 

 Coral islands, 121. 



