BENEDEN (Pierre-Joseph Van) - GERVAIS (Paul). Osteographie des cétacés vivants et fossiles containing the description and iconography of the skeleton and dental system of these animals. Paris, Arthus-Bertrand, 1868-1879. In-folio, leaves, printed yellow cover (as issued). 2 ff. (fx-title and title), 67 plates in black including 10 double plates (num. 1-64 with 3 plates bis). Superb lithographic publication. Pierre-Joseph Van Beneden (1809-1894) was a Belgian palaeontologist and disciple of Cuvier. Paul Gervais was professor of anatomy at the Museum de Paris. Atlas only. Light foxing, cracks to cover, some repaired with tape.