
Drawing of a whale’s head being hoisted upward, from the journal of Rodolphus W. Dexter, kept aboard the bark Chili in the early 1860s. Courtesy the New Bedford Whaling Museum.

Captain Valentine Barnard’s depiction of a right whale (top) and of a sperm whale (bottom), ca. 1810. Courtesy the Collection of the New-York Historical Society (PR-145 #76, detail).