Chapter L

_Lacerta muralis_, colour variations, 361.

Lake of Mexico, 603, 608, 621.

Lange, F. A., “History of Materialism” referred to, 645, 656.

Langer, Prof., experiments with _Pelobates_ tadpoles, 607.

Lankester, Prof. E. R., on degeneration, 583.

_Lasiocampa Pini_, larva eaten by lizards, 336;
variable in two stages, 405.

Lepidoptera; foes, 8;
larva and imago independently variable, 401;
species constant in three stages, 405;
species variable in three stages, 405;
variable in two stages, 405;
variable in one stage, 406;
causes of variability of pupæ, 411;
case of incongruence among pupæ, 540.

_Leptodora hyalina_, development, 93.

_Lepus timidus_, white variations of, 662.

Leuckart, reproduction of _Ascaris nigrovenosa_, 90;
on growth, 654.

Leydig, on sexual larvæ of _Triton_, 591.

_Limenitis Artemis_ and _L. Proserpina_, dimorphic in both sexes, 32;
_L. Camilla_, constant in three stages, 405.

Lines, dorsal, subdorsal, supra- and infra-spiracular, 175.

_Lissotriton punctatus_, sexual larvæ, 591, 595.

Lizards, colour variation of, 361;
rejection of caterpillars by, 336.

Local forms, distinct from climatic varieties, 45;
produced by isolation, 109.

Lockyer, B., young _Noctua_ larvæ, 166.

_Lophostethus Dumolinii_, larva, 527.

_Lophura hyas_, larva, 254.

Lubbock, Sir John, insect metamorphosis, 65, 431;
derivation of metagenesis, 83;
colours of caterpillars, 294;
ancestry of insects, 493.

_Lycæna pseudargiolus_, larva and ants, 290.