SYNOPSIS OF THE 



729. 1. JB. Hystrix (the Spiny Echidna, or Porcupine 

 Ornithorynchus.) Upper part of body covered with thick 

 spines, without hairs ; about the size of the Hedgehog ; 

 under part, with bristly hair ; deep brown spines, tipped 

 black. 



Ornithorynchus Hystrix, Home, Phil. Trans. 1802. Myr- 

 mecophaga Aculeata, Shaw, Gen. Zool. t. 175. 



Porcupine Ant-eater, Naturalist's Miscel. 1792. Acu- 

 leated Ant-eater, Pennant, Nat. Mis. f. 109. 



Icon. Home, I. c, Shaw, I. c. pi. 54. 



Inhabits New Holland. 



730. 2. E. Setosus (Bristly Echidna, or Ornithorinchus.) 

 Body covered with stiff hairs, among which on the back, 

 are to be found, on close inspection, some short spines. 



Alter Ornithorynchus Hystrix, or O. Setosus, Home, 

 Phil. Trans. 1802. Shaw, Gen. Zool. 

 Icon. Home, I. c. pi. 13. B. Bull. Sac. Phil. lu.f. 15. 

 Inhabits New Holland. 



Genus VIII. — Ornithorynchus. 



Incisors % ; canines ^;^; cheek-teeth |:|, which are merely 

 fibrous, and are not fixed in any bone, but only in the gum ; 

 a sort of horny beak, resembling a duck's bill ; nostrils 

 contiguous, opening at the end of the upper beak, or 

 mandible ; cheek-pouches ; paws pentadactylous, formed for 

 swimming, and united behind by a web, with a spur, behind 

 in the male, as in the last genus. 



731. 1. 0. Rufus (the Red Ornithorinchus.) Uniformly 

 reddish-brown above, lighter underneath. 



Platypus Anatinus, Shaw, Nat. Miscel. Ornithorynchus 

 Paradoxus, Blumem. Manuel, t. 165. O. Rufus, Peron 

 and Leseur Voy. 



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