Lamarck, 115, 133, 135.
Lampreys, 156.
Language, most important single possession of mankind, 218.
Laplace, 29.
Larvæ, of lobster, 66; of insects, 67; of ground wasp, 207; of caterpillar, 259; of wasps, 260.
Lavoisier, 29.
Law of Recapitulation, 66; stated by Von Baer and Haeckel, 71.
Lemurs, 158, 160, 161, 195.
Life, what is it? 27.
Limestone, 89, 90.