ECHIDNA. MAMMALIA. 



abruptly truncated behind, with white silky hair beneath. Five 

 inches long. Inhabits North America Zool. Journ. ii. 



3d TRIBE. MONOTREMA. Mammce not observed ; marsupial 



bones. 



Gen. 122. ECHIDNA, Cuv. Geoff. Myrmecophaga, Shaw. 



Toothless, but the palate aculeated; head small, conical ; muz- 

 zle prolonged ; tongue protractile ; eyes very small ; no exter- 

 nal ears ; feet short, with five toes ; and a moveable spur on 

 the inner side of the hind-legs of the male, through which an 

 acrid fluid is ejected ; tail short ; body covered with spines ; 

 large marsupial bones ; body capable of a spherical shape. 



E. hystrix, Desm. ( Myrmecophaga aculeaia, Shaw.) Spiny Ech- 

 idna. Body covered with thick spines, without a mixture of 

 hairs. Size of a hedgehog. New Holland. Shaw, i. pi. 54. 



E. setosa, Desm. Bristly Echidna. Body covered with hair, among 

 which are found short spines. A little larger than the preceding. 

 New Holland. Home, Phil Trans. 1802. pi. 13, B. 



Gen. 123. ORNITHOHYNCHUS, Blumenbach, Platypus, Shaw. 



Incisors g, canines g-g, molars f-f , = 8. Molars fibrous, fixed 

 only in the gum ; a horny beak resembling a duck's bill ; nos- 

 trils contiguous, opening at the end of the upper mandi- 

 ble ; cheek-pouches; feet webbed, pentadactyle, with a spur 

 on the hind ones in the male ; tail short, broad at its base. 



O. rufus, Desm. (0. paradoxus, Blum.) Fur reddish brown above, 

 silvery white below. 14 incheslong. New Holland. Shaw,i.\>\. 66. 



O.fuscus, Desm. Fur blackish brown; hair flat and curled. Size of 

 the preceding. Inhabits New Holland. Leach, Zool. Mis. t. 111. 



ORDER VIII. PACHYDERMA. 



Three or two kinds of teeth ; four extremities, with the toes 

 variable in number, and furnished with strong nails or hoofs ; 

 no clavicles ; organs of digestion not disposed for ruminating. 



Unable to use their feet for the purpose of seizing objects, this Order commences 

 the series of hoofed quadrupeds. Their feet serving only as means of support, they 

 possess no clavicles, their fore-arm remains always in a state of pronation, and they 

 are thus necessarily reduced to feed on vegetables. Their forms and their modes of 

 life present fewer varieties than those of the unguiculated animals ; and Cuvier has 

 accordingly arranged the whole series in two Orders those which rurainate and 

 those which do not. The last of those, or Pachyderma, including the largest ter- 

 restrial animals, form two families. 



FAMILY I. PROBOSCIDEA. 

 Upper incisors in form of elongated tusks ; molars compound 



