Serpentine movements, [195].

Serpentum Braziliensis’ (Wagler), [383], [427].

Shakspeare, his popularity, [97];

not a naturalist, ib.;

contemporary literature, [99];

quotations from, [100].

Shaler, Prof., U.S., on natural selection, [308].

Shell -breaker, ‘Sunkerchor’, [63].

Shields, [316] (see [scales], [epidermis]).

Shortt, Dr., of Madras, gives milk to snakes, [87];