–of Ophidia, [281], [596], [597], [588];

Eunectes, [596], [597];

Crotalus, [588]

Slow-worm, [539], [539]

Slugs eaten by tortoises, [363]

Smell, sense of, of Chelonia, [330]

Smith, the, = Hyla faber, peculiar nursing habits, [196] f.

Smooth Snake, [619], [620]

Snakes, [581] f.;

skull, [581] f., [281], [588], [596], [597] f.;