INDEX. 265 



Cheese, blue and brick-red moulds on, i. 285 



Cheilunthes odora, scent of, i. 347 



Chelidonine, whence obtained, i. 427 



Chemistry, laws placing it on a strictly numerical basis, i. 93 



Chimneys of bad construction, i. 14 



Chiodecton monostichum, structure and habitat of, i. 309 



Chiodecton myrticola, habitat of, i. 309 



Chirodota, structure and habitat of, ii. 186 



Chirodata kevis, wheels of the, ii. 186 



Chirodata myriotrochus, wheels of the, ii. 186 



Chloride of lime, i. 19 



Chlorides, spectra of the, i. 146, 147 



Chlorine, i. 18 



whence obtained, i. 18, 19 



properties of, i. 19, 22 



affinity for hydrogen, i. 19, 20 



substances produced by the combination of chlorine with oxygen, i. 20 

 and with nitrogen, and with sulphur, i. 20 



Professor Schonbein's views as to, i. 20, 21 



spectrum of, i. 21 



absorption of radiant heat by, i. 41, 42 



its affinity for iodine, i. 96 



atomic weight of, compared with that of hydrogen, i. 100 



spectrum analysis of, i. 140 

 Chlorine gas, substances which take fire spontaneously in, i. 19 



combustion of, i. 19 

 Chlorospermese, characters of, i. 180 



structure and development of, i. 181 



Chondrus crispus, or Carrigeen, structure and mode of propagation of, 

 i. 235, 236 



effect of fresh water on the form of, i. 243 

 Chorda filium, structure and habitat of, i. 245 

 Chordaria divaricata, spore cysts of, i. 246 

 Chordarise, structure of, i. 245 

 Chrysophonic acid, whence obtained, i. 303 



Chyloeladia kaliformis, structure and mode of propagation of, i. 235 

 Cibotium Barometz, caudex of, i. 350 

 Cidaris, spines of the, ii. 180 

 Ciuchoniese, alkaloids obtained from, i. 427 

 Cinchonine, structure of, and whence obtained, i. 427 

 Cirripedia, characters of the, ii. 213 

 Cladocarpi, characters of the group, i. 328 



