Liebreich, occurrence of pigmentary retinitis in deaf-mutes, ii. [328].

Lichens, sterility in, ii. [171].

Lichtenstein, resemblance of Bosjesman's dogs to Canis mesomelas, i. 25;

Newfoundland dog at the Cape of Good Hope, i. 36.

Lilacs, ii. [164].

Liliaceæ, contabescence in, ii. [165].

Lilium candidum, ii. [137].

Limbs, regeneration of, ii. [376]-[377].

Limbs and head, correlated variation of, ii. [323].

Lime, effect of, upon shells of the mollusca, ii. [280].