Lamarck, his division of the Animal Kingdom. --Darwin's opinion of. --on Evolution. --on Man. --various.

Language, Darwin on. --Evolution and the Science of. --various.

Lankester, Sir E. Ray, on degeneration. --on educability. --on the germ-plasm theory. --elsewhere.

Limenitis archippus. --arthemis.

LOEB, J., on "The Experimental Study of the influence of environment on Animals.

Longstaff, G.B., on the Scents of Butterflies.

Lucretius, a poet of Evolution.

Lyell, Sir Charles, and Darwin. --the influence of. --on geographical distribution. --on "The Origin of Species". --on the permanence of Ocean-basins. --publication of the "Principles" by. --the uniformitarian teaching of.