318 



INDEX AND GLOSSARY. 



Ciliograde, Jelly-fishes, 222. 



Circulation of water, 22. 



Cirrhigrade, Jelly-fishes, 224. 



Cirrhipoda, a class of animals 

 combining the characters of 

 Mollusca and Crustacea, de- 

 scribed, 299 ; examples and 

 history, 299302. 



Cladophora, 89, 94. 



Climate, influence on vegetation, 

 98. 



Cochlearia (Scurvy-grass), 274. 



Cockle, its animal, 68, 70. 



Cod-fish, 260. 



Cod-liver oil, 267, 268. 



Codium tomentosum, 92. 



Colour of the sea, 29. 



Red Sea, 30. 



Colymbidce (a family of sea-birds), 

 288. 



Colymbus qlacialis (Northern Di- 

 ver), 289. 



Comatula (Feather Star), 168, 

 169. 



Conchifera (see Acephala), 66. 



Conchology, importance of, 133. 



Conferva, 94. 



Convolvulus Soldanella, 280. 



Convolvuli (Persian), 280. 



Coral-banks, 78. 



Corals, 116. 



Corallinece (an order of sea- 

 weeds), 107. 



Cormorant fishing in China, 292. 



Coryne pusilla, 119. 



Co-tidal lines, 49. 



Crab, young of, 199 ; various 

 kinds of Crabs described, 195 

 198. 



Cradle of the tides, 49. 



Cray-fish, change of shell, 191. 



Crinoidee, 168. 



Crosier, Nautilus, 40. 



Cruciferous plants, 273. 



Crustacea (a class of articulated 

 animals) described, li<8; affin- 

 ity with insects, 1 88 ; their 



gills, 189; change of shell, 

 190 ; voluntary dismember- 

 ment, 192 ; varieties of form, 

 193; organs of locomotion, 

 194,195; examples, 194, &c. 



Currents in the sea, 33, 3440. 



Cuttle-fish, eggs, 306; structure 

 and history, 306 309; Sepia, 

 309 ; fossil, 310. 



Cyclobranchiata (an order of Gas- 

 teropodous Mollusca), 141. 



Cyprcea, 144. 



D. 



Dead-men's Toes (Alcyoniuin), 



79. 



Dead Sea (Water of), 25. 

 Delesseria, 104. 

 Depth, of the ocean, 32, 33. 

 Desmidieai, 205 ; Mr. Ralfs on, 



205. 



Diatomaceas, 205 210. 

 Dog-fish egg (Mermaid's purse), 



62, 63. 

 Dorsibranchiate Annelides, 161 ; 



variety and beauty of, 165. 

 Drag, 152. 



Drag, or draught-net, 254, 256. 

 Dredge, Naturalist's, 149. 

 Dredge (Dr. Ball's improved), 150, 



151. 



Drift-net, 244, 245, 249, 256. 

 Drift-wood, 298. 

 Dunlin (Tringa variabilis), 55. 



Echinidat (Sea Urchins), 75 ; 



affinities and fossil species, 



74, 75. 

 Echinus Sphcera (Egg Urchin), 



description and history, 177 ; 



structure of shell, 1 78 ; dental 



apparatus, 180 182. 



