Black and white diagram engraving of species and parts of whales. Depicted are: (1) sideview of a Balaenoptera and its pointed snout; (2) underside view of a Balaenoptera; (3) underside view of a Balaenoptera's upper jaw and pointed snout; (4) baleen (whalebone). Lettered with captions and "1. Baleinopt̬re Museau-pointu, Vue par c̫t̩. 2. Baleinopt̬re Museau-pointu, Vue par dessous. 3. Machoire sup̩rierede la Baleinopt̬re museau-pointu, Vue par dessous. 4. Fanon. Pl. 8. Page 134. Bigant. S."
