Larynx of man, [54], [278].

Lateral homology, [164].

Laws of correlation, [173].

Leaf butterfly, [31].

Legitimate symbolic conceptions, [251].

Lens, [76].

Lepidosteus, [172].

Lepra, [183].

Lewes, Mr. G. H., [94], [212], [214], [216].

Lewis, St., [206].