4:14 



VERTEBRATA. 



on vegetable substances, and perforates the earth with its burrows, like the preceding. It is 

 partly nocturnal in its habits, and is found in Chili, where it is called Cururo. It is probably the 

 Blue Rat, Mus coeruleus of Molina, and certainly the Spalacopus Pceppigii of Wagner. 



- . 



THE BLACK PEPHAGOMTS. 



Genus SCHIZODON : Schizodon. — Of this there is one species, the Brown Schizodon, S. 

 fuscus, which has rather a slender body, eight or nine inches long, tail less than half the length 

 of the body, color grayish-brown above, and grayish-fawn below. It is found in Chili. 



\S V: 1 



i I MING s OCTODON. 



Genus OCTODON or OCTODONTE: Octodon, referred to the Hystricidce by Waterhoose, 



embraces several species, which derive their generic name of Octodonte, meaning eight-toothed^ 

 from the number of the molar teeth, the crowns of those below having at the same time nearly 

 the form of the figure 8. 



