Book page with hand colored illustrations of cetaceans. Includes a porpoise skeleton, skull details of dolphins, narwhals, and porpoises, a diagram of the vascular system of the whale, and two side views of first the porpoise, and second, the narwhal; with a whaling scene showing a man in a kayak about to spear the narwhal swimming under the prow of his vessel. This last image has been cut out and then reattached using linen tape on the mounting of the object.
