Life, struggle for, [60].

Lingula, Silurian, [307].

Linnæus, aphorism of, [413].

Lion, mane of, [88].

——, young of, striped, [439].

Lobelia fulgens, [73], [98].

Lobelia, sterility of crosses, [250].

Loess of the Rhine, [384].

Lowness of structure connected with variability, [149].

Lowness, related to wide distribution, [406].