A narwhal, a common whale and a pike-headed whale. Etching by J Scott, ca 1812, after S Edwards.

Lettering: Class Mammalia. Order Cete. Genus Monodon. Narwhal. Genus Balaena. Mysticetus. 1. M. monoceros. unicorn n. 2. B. mysticetus great m. or common whale 3. B. boops. pike-headed m.