by M.F. Maury, A.M. Lieut., U.S. Navy ; constructed by Lts. Leigh. Herndon & Fleming & Pd. Midn. Jackson. Latitudinal and longitudinal lines. Includes "Explanation" indicating whale types and notes, as well as index for "best fishing season." Shows whale habitations throughout the world, including area "unexplored by whalemen." Descriptive text. "Series F." "78" at top left margin. This copy disected in two and mounted on linen.