480 



PLACENTAL QUADRUPEDS. 



ber; some of them, however, are formidable fron 

 their strength and ferocity. 



The Zebra Wolf, or Native Tiger of the Australian colonists (Thy 

 ladnus * cynocephalus^*), equals a large dog in size and strength, speci 

 mens having been found four feet in length, besides the tail, whia 

 is two more. It is nocturnal, like most beasts of prey, feeds o 



Z.KliitA WOLF. 



Kangaroos and other inoifensive animals, and is hated by the settler 

 for its depredations among the sheep that pasture on the plains. Th 

 colour of this animal is yellowish brown, marked with transvers 

 bands. 



SUB-CLASS II. PLACENTALIA.J 

 PLACENTAL QUADKUPEDS. 



In the Placental Mammalia the young are bori 

 completely furnished with all their limbs, and fo 

 some time are nourished by milk derived from th< 

 maternal breast. They are classified as in the TabL 

 in the opposite page : 



* 0uAa/cos, thylacos, a pouch ; KVUV, kyon, a dog. 

 t Kvcay, Kvvost kyon, kynos, a dog ; K<pa\7], cephale, a head. 

 i Animals whose progeny are nourished by the intervention of 

 placenta, during the later stages of gestation. 



Quatuor, four ; pes, a foot ; a term generally applied to tli 



