Le regne animal distribue d'apres son organisation, pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparee. Nouvelle edition
Sirenian material same as 1817 edition with exception of few lines added to Dugong. Musch new cetaean material is added; number of genera increased; fabulous nature of others recognized. 1. Delphinus delphis; 2. D. tursio; 3. D. dubius sp. n.; 4. D. frontalis; 5. D. frontatus; 6. D. plumbeus; 7. D. velox; 8. D. longirostris; 9. D. micropterus; 10. D. rostratus; 11. D. gangeticus; 12. D. phocaena; 13. D. capensis; 14. D. orca; 15. D. gladiator; 16. D. aries; 17. D. globiceps; 18. D. leucas; 19. D. leucorhamphus; 20. D. phocaenoides; 21. Hyperoodon; 22. Monodon monoceros; 23. Physeter; 24. P. tursio; 25. P. mular; 26. Balaena mysticetus; 27. B. physalus; 28. B. boops; 29. B. musculus. The following are mentioned in footnotes: 1. D. albigena; 2. D. superciliosus; 3. D. cruciger; 4. D. bivittatus; 5. D. lunatus. D. griseus is referred to D. aries.