30 MANUAL OF NATUKAL HISTORY. 



legs; tail generally long, frequently prehen- 

 sile; pouch well developed. Dentition in. 

 J, can. J-J or Jj, pre-mo. Jj^J, mo. j or jjj. 



5. FAMILY. Wombats (Phascolomyidse). Head 



large, flat, eyes small; upper lip cleft; muz- 

 zle obtuse, tip naked, nostrils widely sepa- 

 rated; body stout; limbs short; feet broad; 

 tail only a tubercle; fur long and coarse; 

 nails on toes of fore feet broad and solid, on 

 hind toes curved; teeth bearing a general 

 resemblance to the Rodents. Dentition in. 

 I grinders ^. 



6. FAMILY. Kangaroos (Macropodidse). Muzzle 



elongated, contracted ; upper lip cleft ; fore 

 legs small, with five toes; hind legs very 

 long and powerful, two inner toes small and 

 united, the next large, long, and armed with 

 a very strong claw ; tail long and strong ; 

 pouch well developed ; fur soft. Dentition, 

 in. , can. jj, or J^J, pre-mo. J-J, molars j. 



II. ORDER. MONOTREMES (Monotremata). 



Animals so called on account of their possessing 

 but one opening (cloaca) for all their excretions. 

 Have no pouch, but have marsupial bones ; tooth- 

 less, or provided with horny teeth. 

 1. FAMILY. Porcupine Ant-Eaters (Echidnidse). 

 Snout long and narrow ; mouth very small ; 

 tongue protractile; body covered above with 

 strong sharp spines ; legs short, thick, and 

 strong, a spur on hind foot of males ; toothless. 



