OYSTERS, AND ALL ABOUT THEM. 



Conchifera (Lat. concha, a shell, and/m?, I cany) a class of molluscs 

 having two shelly valves ; by what characterised, 134; method of 

 secretion by, 135; formation of the shell of, 136; iridescence of, 

 136; adductor muscles of, 137; the mouth of, 137; the foot of, 

 138; the heart of, 138; and Brachiopoda, 128-132; compression 

 of shell in, 131; how the shells are developed in; 130; position of, 

 on the bottom of the sea, 130. 



Conchifers, bilateral symmetry of; tendency to one sidedness of, 131. 



Confervoid, of a single row of cells ; articulated like the confervae, 268. 



Connecticut, 938. 



Conservation of Deep Sea Beds, 1028-52 ; Natural causes, 1028 ; 

 Temperature, 1028 ; The Gulf Stream, 1029-32 ; The effects of 

 temperature, 1032-37 ; Depth and density, 1037-39 ; Tides and 

 currents, 1039-40; Nature of the sea bottom, 1040, 1041; Dredg- 

 ing, 1041-48; Harrowing and trawling, 1048-50; Rings for 

 measurement, 1050-52 : Removal of cultch from public grounds, 

 1052, 1053, 



Considius, 42. 



Constantine, 35.' 



Constance, Professor, 917. 



Conway, The, 942, 943. 



Coquilles de St. Jacques, 187, 



Coralline Crag, The, 143. 



Red and, 148, 153, 164, 178. 

 Norwich, 171. 



Coralline, a submarine semi-calcareous plant, consisting of many-jointed 

 branches, and often resembling moss. 



Corals, 212. 



Corfe Castle, The Lord of, 375. 



Cork, 171, 189, 251. 

 Harbour, 166. 



Cornwall, Barry, quoted, 913. 



Cornwall, 163, 181, 262. 



Corsica, 199, 604, 605, 636, 682, 691. 



Cortoni, E., 951. 



Costa, Professor Oronzio Gabrielle, 667. 



Coste, M., 342, 482, 495, 509, 510, 538, 546, 583, 584, 604, 611, 629, 

 636, 659, 664, 672, 673, 687, 691, 712, 1071, 1074, 1077, 1091, 



