INDEX. 
497 
Larvae, 440, 
Laurel, nectar secreted by the leaves, 
92. 
Laws of variation, 131. 
Leech, varieties of, 76. 
Leguminosse, nectar secreted by glands, 
92. 
Lepidosiren, 107, 330. 
Life, struggle for, 60. 
Lingula, Silurian, 307. 
Linnaeus, aphorism of, 413. 
Lion, mane of, 88. 
-, young, of, striped, 439, 
Lobelia fulgens, 73, 98. 
Lobelia, sterility of crosses, 250. 
Loess of the Rhine, 384. 
Lowness of structure connected with 
variability, 149. 
Lowness, related to wide distribution, 
406. 
Lubbock, Mr., on the nerves of coccus, 
46. 
Lucas, Dr. P., on inheritance, 12. 
-, on resemblance of child to parent, 
275. 
Lund and Clausen on fossils of Brazil, 
339. 
Lyell, Sir C., on the struggle for exist¬ 
ence, 62. 
-, on modern changes of the earth, 
95. 
——, on measure of denudation, 284. 
-, on a carboniferous land-shell, 
289. 
-, on strata beneath Silurian sys¬ 
tem, 308, 
—■—, on the imperfection of the geo¬ 
logical record, 311. 
oil the appearance of species, 
312. 
■-on Barrande’s colonies, 313. 
-on tertiary formations of Europe 
and North America, 323. 
—■—on parallelism of tertiary forma¬ 
tions, 328. 
——, on transport of seeds by icebergs, 
363. 
-, on great alternations of climate, 
382. 
-, on the distribution of fresh-water 
shells, 385. 
--, on land-shells of Madeira, 402, 
MONGRELS. 
Lyell and Dawson on fossilized trees in 
Nova Scotia, 297. 
M. 
Macleay on analogical characters, 426. 
Madeira, plants of, 107. 
—, beetles of, wingless, 135. 
———, fossil land-shells of, 339. 
-, birds of, 390. 
Magpie tame in Norway, 212. 
Maize, crossed, 270. 
Malay Archipelago compared with Eu¬ 
rope, 300. 
—, mammals of, 395. 
Malpighiacese, 417. 
Mammae, rudimentary, 451. 
Mammals, fossil, in secondary forma¬ 
tion, 304. 
•——, insular, 394. 
Man, origin of races of, 199. 
Manatee, rudim.entary nails of, 454. 
Marsupials of Australia, 116. 
-fossil species of, 339. 
Martens, M., experiment on seeds, 
360. 
Martin, Mr. W. C,, on striped mules, 
165. 
Matteueci on the electric organs of 
rays, 193. 
Matthiola, reciprocal crosses of, 258. 
Means of dispersal, 356. 
Melipona domestica, 225, 
Metamorphism of oldest rocks, 308. 
Mice destroying bees, 74. 
-—, acclimatisation of, 141. 
Migration, bears on first appearance of 
fossils, 297. 
Miller, Prof., on the cells of bees, 
226. 
Mirabilis, crosses of, 258. 
Missel-thrush, 76. 
Misseltoe, complex relations of, 3, 
Mississippi, rate of deposition at mouth, 
284. 
Mocking-thrush of the Galapagos, 402. 
Modification of species, how far appli¬ 
cable, 483. 
Moles, blind, 137. 
Mongrels, fertility and sterility of, 
268. 
—-—-and hybrids compared, 272, 
