Sperm Whale

A kind of whale called also cacha¬ lot, from which sperm oil and spermaceti are obtained. Sperm whales frequent tropical seas and live in groups or shoals. They have large, square heads, with a single blow-hole near the extremity of the snout. They have no whale¬ bone plates in the mouth, but the lower jaw is furnished with large, conical, curved teeth, and