27. Camelus, the camel, dromedary, lama, and alpaca: 4 species.
28. Moschus, the musk: 3 species.
29. Cervus, the deer: 7 species.
30. Capra, the goat: 12 species.
31. Ovis, the sheep: 3 species.
32. Bos, the ox tribe: 6 species.
The sixth order, Belluæ, contains,—
33. Equus, the horse, ass, and zebra: 3 species.
34. Hippopotamus: 1 species.
35. Sus, the hog tribe: 5 species.