

99 



it in h:i!.it or .r, neral appearance, it 



was at length tliu;ht iNtribute them 



into sever. il distinct gen- T;I, l -axim? the Mouse or 



tribe, strictly so called, to form the genus 



Mus. 



Among the genera thus formed out of the old 

 I.nmaean genus Mus, one of the chief is that 

 railed C'a\ia, or, as it may be otherwise pro- 

 noiinc.-d. . -a\i-i, i:i Kn.nIMi Circy. 



As the characters of the teeth in almost all 

 the Glires are very nearly similar, it is often un- 

 necessary to 'hem. I -hall then 

 only observe, that the genii i> in general of 

 a thick and short form, and of various size. As 

 tlif most familiar example, we may mention the 

 well-kn improperly eallcd the G'uinea- 



which i> now the Cavia Cobnya, or varies. 

 Cavy, and was tli-' Mu> Porcellus of th< 



the S\ sterna Naturae of Linnaeus. It 

 native of the hotter parts of South-America, 

 and is now well known in .,f Europe. 



The South American animal called tin- \ 

 or Java-Han-, belongs also to this genus, and is 

 Of tin- Mire of :i U:;bbet or larger. 



largest kind of Ca\ \ yi-t known, is a spe- 



