INDEX. 289 



Light : action of magnetism and electricity on light, i. 90 



delicate power of analysis in light, i. 95 



Dr. Young's establishment of the undulatory theory of light, i. 129 



Drummond's light, i. 132 



coloured light obtained from the combustion of the salts of different 

 metals, i. 132 



effects of light on vegetation, L 168, 169 



effects of light as an exciting cause in the vegetable world, i. 431 

 Lightning, spectrum of, i. 147 

 Ligneous tissue, i. 174, 175 



Liliacese, structure and development of the, i. 388 

 Limboriei, structure and habitat of the, i. 310 

 Lime, carbonate of, different modifications assumed by, i. 74 



chloride of, properties of, i. 19 



oxalate of, formation of, i. 117 

 Limestones, probable history of the oldest, ii. 52 



the nummulitic, ii. 53 



the limestone formed by the Eozob'n Canadense, ii. 54 

 Limnoria lignorum, structure of, ii. 203 

 Limpet, structure, food, and habitat of, ii. 238, 239 

 Lindsaeeae, characters of, i. 351 

 Linculus, fossil remains of, ii. 211 

 Lingbya, structure of, i. 213 

 Lingula flags, fossil animals composing the, ii. 53 

 Listera ovata, structure and mode of reproduction of, i. 399 

 Lithium, i. 3 



spectrum analysis of, i. 133 



existence of lithium in all three kingdoms of nature, i. 134 



spectrum analysis of the rarefied vapour of, i. 142 



effect of high temperature, i. 142, 143 



chloride of, spectrum of, i. 146 

 Litmus, or orchil, from what obtained, i. 124, 303 

 Lituola, structure of the genus, ii. 37 

 Lituolidae, characters of the family of, ii. 36, 37 

 Liver worts. See Hepaticse 

 Lobophyila angulosa, structure of, ii. 135, 136 

 Locomotion of some diatoms, i. 204 

 Lo-hao, a Chinese green dye, i. 124 

 Loligo vulgare, or squid, structure of, ii. 245, 246 

 Lomaria, characters of the genus, i. 357 

 Lomariopsis, characters of, i. 360 

 Loxades bursaria, structure of, ii. 72 

 VOL. II. U 



