z68 IXDEX. 



Copper, peroxide of, combination forming, i. 104 

 Coral, structure of the coral polypes, ii. 133, 134 



composition of the stony substance of, ii. 137 



reef-building corals, ii. 138 



red, ii. 125 



white, ii. 127 

 Corallina officinalis, mode of reproduction of, i. 230 



structure and development of, i. 240 

 Corallines, structure and mode of propagation of, i. 240 

 Corallium Johnstoni, structure and habitat of, ii. 127 

 Corallium rubrum, structure and mode of reproduction of, ii. 125, 126, 127 



coral fishing in the Mediterranean, ii. 126 

 Corallium secundum, structure of, ii. 127 

 Cordiceps miliaris, characters of, i. 283, 293 

 Cordiceps purpurea, the second form of ergot, i. 293 



structure of, i. 293 

 Cordiceps Robertsii, form of, i. 293 

 Coremium glaucum, production of, i. 287 

 Corolla of flowering plants, i. 378 

 Corundum, i. 4 



Corynidse, characters of the family, ii. 90 

 Cosmarium, structure and development of, i. 194 

 Cotton, dyes for, i. 125 



necessity for mordants for fixing cotton dyes, i. 125 



enormous manufacture of cotton in Britain, i. 125 

 Cowries, shells of, ii. 234, 235 

 Cow-tree, beverage obtained from the, i. 426 

 Crabs, structure and mode of reproduction of, ii. 189-197 



hermit, structure of, ii. 197 

 . king, fossil, ii. 211 



spider, structure of, ii. 211 

 Creosote, i. 121 



its property of preventing the decay of organic matter, i. 121 

 Cressylic acid, how produced, i. 120, 121 



chemical composition of, i. 128 

 Cristallaria compressa, form of, ii. 28 



structure of, ii. 39 

 Cristata, siliceous skeleton of. ii. 60 



Crocus, structure and mode of reproduction of, i. 387, 388 

 Cruoria pellita, tetraspores of, i. 237 

 Crustacea, characters of the, ii. 188 



fossil Crustacea, ii. 211 



