19. Sorex, the shrew: 5 species.
20. Erinaceus, the hedgehog: 3 species.
The fourth order, Glires, Gnawing Animals:—
21. Hystrix, the porcupine: 4 species.
22. Lepus, the hare: 4 species.
23. Castor, the beaver: 3 species.
24. Mus, rats and mice: 21 species.
25. Sciurus, the squirrel: 11 species.
26. Noctilio: 1 species.
The fifth order, Pecora, the Ruminating Animals:—