CHAP. V.] 
CLASSIFICATION. 
8J 
Order- CETACEA. 
Fam. (Carl’s). 
Sub-order I.— j Bakenidse 
Mystaceti. | Balamopteridso 
" Oatodontidae ... 
Hyperoodontidae 
Sub-order II. — 
Odontoceti. ( 
Monodontidse 
, Delphi nidae ... 
Extinct family Zeuglodontidae. 
36. 
37. 
38. 
39. 
40. 
41. 
Fam. (Gray). 
Balaenidae. 
Balamopteridse. 
Catodontidre. 
Hyperoodontidae. 
Epiodontidae. 
Xiphiadae. 
(Part of Delphinidse.) 
’ Platanistidae. 
Iniadae. 
Delphinid®. 
Globiocephalidae. 
Orcadse. 
Belugidre. 
Pontoporiadae. 
Order— SIKENIA. 
The order Sirenia, comprising the sea-cows, consists of a single 
family : 
Family 42. Manatkke. 
The extensive order Ungulata comprises the three orders 
Pachydermata, Solidungula, and Ruminantia of the older natu- 
ralists. The following classification is that now generally 
adopted, the only difference of opinion being as to whether 
some of the groups should be classed as families or sub-families, 
a matter of little importance for our purpose : 
Order— UNGULATA, 
Perissodactyla or 
Odd-toed Ungulates 
Artiodactyla or 
Even-toed Ungulates 
Fam. 
43. Equidae ... 
44. Tapiridte ... 
45. Rhinocerotidre 
Tylopoda 48. Camelidae 
< Tragulina 49. Tragulidse 
{ 50. Cervidae , 
51, Camelopard id& 
52. Bovid* 
•{ 
Horses. 
Tapirs. 
Rhinoceros. 
Hippopotamus. 
Swine, 
Camels. 
Chevrotains. 
Deer. 
Giraffes. 
Cattle, Sheep, 
Antelopes, &c. 
