CHAP. V.] 



CLASSIFICATION. 



89 



Order- CET ACE A. 



Fam. (Carus). 

 Sub-order L— \ Balsenidae 

 Mystaceti. I Balamopteridee 

 f Catodontidaj ... 



Sub-order II. — 

 Odontoceti. 



Hyperoodontidse 

 Monodontidse 



Delphinidse . . . 



Extinct family Zeuglodontidre. 



Fam. (Gray). 



36. Balamidse. 



37. Batenopteridse. 



38. Catodoutidse. 



SHyperoodontida;. 

 Epiodontidae. 

 Xiphiada?. 

 40. (Part of Delphinidse.) 



IPlatanistidse. 

 Iniadas. 

 Delphinidae. 

 41. \ Globiocephalidae. 

 1 Orcadse. 

 I Belugida?. 

 ^Pontoporiadse. 



Order— SIRENIA. 



The order Sirenia, comprising the sea-cows, consists of a single 

 family : 



Family 42. Manatidse. 



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 



(Suina J ^ 

 Tylopoda 48 

 Tragulina 49, 



Pecora 



Fam. 



43. Equidse 



44. Tapiridaa ... ... 



45. Rhinocerotidoe . . 



46. Hippopotaniidaj 



47. Suidte 



Camelidae 

 Tragulidae 



50. Cervidse 



Camelopardida) 



Bovidae 



{50, 

 5, 

 52 



Vol. I.— 8 



Horses. 



Tapirs. 



Rhinoceros. 



Hippopotamus. 



Swine. 



Camels. 



Chevrotains. 



Deer. 



Giraffes. 

 i Cattle, Sheep, 

 j Antelopes, &c. 



