Ibla
Icebergs transporting seeds
Increase, rate of
Individuals, numbers favourable to selection --many, whether simultaneously created
Inheritance, laws of --at corresponding ages
Insects, colour of, fitted for their stations --sea-side, colours of --blind, in caves --luminous --their resemblance to certain objects --neuter
Instinct, not varying simultaneously with structure
Instincts, domestic
Intercrossing, advantages of
Islands, oceanic
Isolation favourable to selection
Japan, productions of
Java, plants of
Jones, Mr. J.M., on the birds of Bermuda
Jordain, M., on the eye-spots of star fishes
Jukes, Prof., on subaerial denudation
Jussieu on classification
Kentucky, caves of
Kerguelen-land, flora of
Kidney-bean, acclimatisation of
Kidneys of birds
Kirby, on tarsi deficient in beetles
Knight, Andrew, on cause of variation
Kolreuter, on intercrossing --on the barberry --on sterility of hybrids --on reciprocal crosses --on crossed varieties of nicotiana --on crossing male and hermaphrodite flowers
Lamarck, on adaptive characters
Lancelet, eyes of
Landois, on the development of the wings of insects
Land-shells, distribution of --of Madeira, naturalised --resisting salt water
Languages, classification of
Lankester, Mr. E. Ray, on longevity --on homologies
Lapse, great, of time
Larvae
Laurel, nectar secreted by the leaves
Laurentian formation
Laws of variation
Leech, varieties of
Leguminosae, nectar secreted by glands
Leibnitz, attack on Newton
Lepidosiren, limbs in a nascent condition
Lewes, Mr. G.H., on species not having changed in Egypt --on the Salamandra atra --on many forms of life having been at first evolved
Life, struggle for
Lingula, Silurian
Linnaeus, aphorism of
Lion, mane of --young of, striped
Lobelia fulgens
Lobelia, sterility of crosses
Lockwood, Mr., on the ova of the Hippocampus
Locusts transporting seeds
Logan, Sir W., on Laurentian formation
Lowe, Rev. R.T., on locusts visiting Madeira
Lowness, of structure connected with variability --related to wide distribution
Lubbock, Sir J., on the nerves of coccus --on secondary sexual characters --on a diving hymenopterous insect --on affinities --on metamorphoses
Lucas, Dr. P., on inheritance --on resemblance of child to parent
Lund and Clausen, on fossils of Brazil
Lyell, Sir C., on the struggle for existence --on modern changes of the earth --on terrestrial animals not having been developed on islands --on a carboniferous land-shell --on strata beneath Silurian system --on the imperfection of the geological record --on the appearance of species --on Barrande's colonies --on tertiary formations of Europe and North America --on parallelism of tertiary formations --on transport of seeds by icebergs --on great alternations of climate --on the distribution of fresh-water shells --on land-shells of Madeira
Lyell and Dawson, on fossilized trees in Nova Scotia
Lythrum salicaria, trimorphic