248 ZOO LOOT. 



5. Cetaceans; body fish-like in sliape; 



no liiiid limbs CeU: Whales, etc. 



6. Body flsh-like iu shape; teetli like 



those of ruminants Slrenia: Manatee. 



7. Snout prolonged into a proboscis. -P/-cfto.vad«a.- Elephants. 



8. Long curved incisor teeth ; feet willi 



pads ; toes hoofed Ilyracoidea: Hyrax. 



9. Toes lioofed Uiigulata: Horse, Ox, etc. 



10. Teetli pointed for tearing flesli; 



claws lart^e Carnivora: Dog, Cat. 



11. Nails usually present; walking on all 



fours; or using fore legs as bauds, 

 or erect and walking on the hind 

 legs Pnmaks: Monkey, Ape, Man. 



Order 1. Brula or Edentata. — These creatui-es, repre- 

 sented by the sloths, ant-eaters, pangolins, and armadillos, 

 stand ue.xt above tlie marsupials, as the 

 brain is but little better developed than 

 in the latter animals. The teeth may 

 be absent, as in the common ant-eater, 

 but when present they are not encased 

 in enamel. Usually there are no incisor 

 teeth, but those on the sides of the jaw 

 may exist in the armadillo. The feet 

 are adapted for grasping or digging, 

 and end in large straight or curved 

 ■*■' claws. The body is either hairy or 

 protected, as in the pangolins and ar- 

 madillos, with large thick scales. They 

 feed on insects and decayed animal 

 ''' toelku': iniJ]Zt matter, or on leaves. They are of mod- 

 rai attitude. enitc size, tliougli Certain extinct forms 



were colossal in stature. 



The leaf-eating forms, viz., the sloths, differ from the 

 other Bruta in the very long and slender limbs, the hinder 

 pair the shorter. Tliere are five teeth above and four 

 below, which become sharp with use, like chisels; the stom- 

 ach is said to be remarkably complex. In disposition these 

 creatures are types of sluggishness; they live in trees, being 



