CLASSIFICATION OF ANIMALS 



Sub-family : Murince 

 {7he Rats and Mice) 



The typical rats and mice, with a few closely allied forms, are 

 grouped in this sub-family. 



A distinguishing characteristic is that the teeth in the upper 

 jaw have a number of tubercles arranged in three longitudinal 

 rows, and each of these teeth has well-developed roots. When 

 worn down by use the crowns of the molar teeth show transverse 

 bands of enamel. 



Their habitat is the Old World, not including Madagascar. 

 No species of this sub-family is represented in the New^ World 

 (America) except the common Rats and Mice which have been 

 transported there by human agency. 



South African species 



1. Rattus rattus, Linn. The Black Rat. 



2. Rattus norvegicus, Erxl. The Brown Rat. {Mus decumanus 



of Sclater.) 



3. Rattus nigricaiida, Thos. Black-tailed Rat. 



4. Rattus chrysofhilus typicus, de Wint. Darling's Rat. 



5. Rattus chrysophilus ineptus, Thos. and Wrought. P.Z.S., 1908, 



P- 547- 



6. Rattus chrysophilus acticola, Thos. and Wrought. P.Z.S., 



1908, p. 547. 



7. Rattus chrysophilus pretorice. Ann. Trans. Mus., iv. 191 3. 



8. Rattus chrysophilus tzaneenensis, Jameson. Ann. Mag. Nat. 



Hist., Ser. 8, 4. 



9. Rattus namaquensis typicus, A. Smith. 



10. Rattus namaquensis centralis, Schw. 



11. Rattus namaquensis monticularis, Jameson. Ann. Mag. Nat. 



Hist., Ser. 8, 4. 



12. Rattus namaquensis lehochla, A. Smith. Smith's Rat. {Mus 



lehochla of Sclater.) 



13. Rattus namaquensis auricomis, de Wint. Golden Rat. {Mus 



auricomis of Sclater.) 



14. Rattus damarensis, de Wint. Damaraland Rat. 



15. Rattus granti, Wrought. Ann. Mag. Nat. Hist. (8), i. p. 257. 



16. Rattus verreauxi, A. Smith. Verreaux's Rat. 



17. Rattus poedulcus, Sund. Wahlberg's Rat. 



18. Rattus colonus, Brants. Brants' Rat. 



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