Corallina, a modern lime-secreting alga (entire plant).

Corallina

Corallina, a modern lime-secreting alga (entire plant).

Corallina, a modern lime-secreting alga (a small branch enlarged).

Corallina

Corallina, a modern lime-secreting alga (a small branch enlarged).

A venomous snake with thick red, yellow, and black bands.

Coral Snake

A venomous snake with thick red, yellow, and black bands.