Black and white diagram engraving of species and parts of whales. Depicted are: (1) vertebrae of a Sperm Whale; (2) one of the first ribs of a Sperm Whale. Lettered with captions and "1.1 Vert̬bres d'un Cachalot Macroc̩phale. 2. Une des premi̬res c̫tes d'un Cachalot Macroc̩phale. Pl. 12. Page 169."
