SYNOPSIS OF THE 



Mus Islandicus, Thienemann^ Natur Bemerk. 1. 

 Icon. Thienemaim, I. c. t. 22. 

 Inhabits North of Europe. 



595. 22. M. Donovani (Donovan's Rat.) Fur blackish- 

 gray, varied vi^ith brow^n ; back with three pale dorsal 

 bands ; tail moderate, rather hairy. 



Rattus Donovani, Donovan, JSat. Repos. 



Icon. Donovan, I. c. t. 35. 



Inhabits Cape of Good Hope. 



* ^ American Spineless Rats. 



The dentition of the follov^ing American species of 

 d'Azara has not been ascertained with certainty ; and it is 

 only on the authority of external characters, therefore, that 

 they are placed in this subdivision. 



596. 23. M. Angouya (Angouya Rat.) Yellow-brown 

 above, whitish beneath ; tail rather longer than the body ; 

 ears rounded, moderate. 



Angouya Rat, or third Rat oi d'Azara, Quad, of Para- 

 guay. Mus Braziliensis, Geoff. Collect, du Mus. 1 Mus 

 Caugouya, Desm. 305. 



Icon. — — 



Inhabits Paraguay. 



597. 24. M. Rufus (Red Rat of d'Azara.) Yellowish- 

 red, darker on the head and back ; belly yellowish ; tail 

 more than half as long as the body ; about six inches in 

 length. 



Red Rat, or fifth Rat of d'Azars,, Quad, of Paraguay. 



Icon. 



Inhabits Paraguay. 



