SPECIES OF MAMMALIA. 



578. 5. M. Rattus (the Black Rat.) Black above, deep 

 ishy underneath ; tail rather longer than the body ; about 

 seven or eight inches long. 



Mus Rattus, Lin. Sys. Nat. 1. Mus Domesticus Major, 

 Ray, Syn. Quad. 217. Lin.'Syn. Nat. ed. 2. 



Black Rat, or Common Rat. 



Icon. Schreb. 179. Buff. t. 7. tab. 36. Ency. Method, t. 

 57./. 4. 



Habitat. Originally Persia or India, but now spread to 

 ill parts of the civilized world ; destroyed by the Norway 

 Rat, and, consequently, now becoming rare in England. 



579. 6. M. Alexandrinus (Alexandrian Rat.) Reddish- 

 jray above, ashy beneath ; tail one-fourth part longer than 

 the body ; feet not webbed. 



Mu3 Alexandrinus, Geoff. Egypt. 



Icon. Geoff. I. c.pl. 5. f. I. 



Inhabits the vicinity of Alexandria in Egypt. 



580. 7. Mus Indicus (Indian Rat.) Fur reddish-gray 

 above, and gray beneath ; legs reddish-gray ; tail a little 

 shorter than the body ; feet not webbed. 



Mus Indicus, Geoff. Cat. Mus. Par. Desm. vi. 299. 



Icon. 



Inhabits Pondicherry. 



581. 8. M. Sylvaticus (Field Mouse.) Reddish -gray 

 above, white underneath ; tail shorter than the body, which 

 is nearly five inches long. 



Mus Agrestis Major, Gesner. Mus Domesticus Medius, 

 Ray. Mus Campestris Major, Briss. Reg. Anim. 171. Mus 

 Sylvaticus, Lin. 



Mulot, Buff. VII. 



225 



