INDEX 



Agassiz, Prof. A., 17. 



on Echinoidea, 38. 



on jelly-fishes, 50. 



on silica, 65. 



on radiolarians, 92. 



on Florida reef, 166. 

 Ammonites, 209. 

 Amoeba, 135. 

 Arcella, 154. 

 Atlantic, bed of, 71. 

 Authorities used, 17, 18. 



Barbados, rocks of, 80. 

 Barrier Reef, the Great, 163. 

 * Beautiful floscule,' 182. 

 Belemnites, 210. 

 Blow-fly, proboscis of, 203. 

 Bog-moss, 143. 

 Bowerbankia, 170. 

 Brady on Foraminifera, 137. 

 Brickmaking, microscopic, 1 75. 

 Building rotifer, 175. 

 Butterflies, eggs of, 126. 



Cabbage-butterfly, eye of, 202. 



Calc spar, 213. 

 Carpenter, Prof. W. B. 



on rhizopods, 139. 



on eyes of fly, 202. 

 Chalcedony, 216. 

 Chalk, formation of, 74. 

 Challengeria, 100. 

 Chase, Mrs., 17. 

 Chisholm, Mr., on phosphores- 

 cence, 49. 

 Choanites, 68, 214. 

 Cienkowski on Clathrulina, 1 54. 

 Cilia of sea-urchin, 40. 

 Clathrulina elegans, 152. 

 Collections of Natural History, 



23- 



Comatula, 170. 

 Conglomerate, 211. 

 Copt Point, 210. 

 Corals, 158. 



Coral reefs, formation of, 165. 

 Coscinodiscus radiatus, 117. 

 Crabs, fossils, 210. 

 Crinoids, 173. 

 Crown animalcule, 183. 



