Hand-colored engraving from a natural history text showing representatives of the Monodon and Physter genera. Top, a spotted narwhal, facing right, labeled "M. Monoceros ____ Narwhal." Below, a beached whale, facing left, labeled "P. Macrocephaslus.____Cachalot or Spermaceti Whale." Plate also gives information about the order and families to which these animals belong. Publisher and artist attributions printed at base.
