igof\ Brimley— Catalogue of Mammals. * 9 



genus mus, L. (Introduced Rats and Mice). 



7. Mus musculus L. House Mouse. Brownish gray, paler 

 below. L. 6 3 /[- T- 3^8. Very common in houses and largely 

 so in fields also. 



8. M. alexandrinus Geoff, St. Hil. Roof Rat. Brown, 

 under parts white. Tail as long- or longer than head and 

 body; about size of Mus rattus. Common at Raleigh and 

 probably the common house rat of the whole State. 



(M. rattus L. Black Rat. Blue black darker on the back, 

 more slaty on the belly. L. 1534. T. sy 2 . Tail as in the 

 Roof Rat about as long- as head and body. The Black Rat 

 was formerly wide spread in the eastern United States, but 

 has been in the north almost exterminated by the Brown Rat. 

 It very probably occurs or has occurred in the past, but we 

 have no records.) 



9. M. norvegicus Krxl. Brown Rat, Wharf Rat. Brownish 

 above, grayish below, tail shorter than head and body. L. 

 153/4. T. l}i. The common house rat of the north as M. 

 alexandrinus is of the south, but the only record we have for 

 North Carolina is that of Coues, who says they were common 

 in the vicinity of Fort Macon in 1870. 



GENUS SIGMODON (Cotton Rats). 



10. -5*. hispidus Say & Ord. Cotton Rat. Upper parts 

 brown coarsely and irreg-ularly varied with brownish black, 

 brownish white below. Form short and stout, h. 10j4. T. 

 4. Only recorded in this State from Raleigh, where it is 

 abundant, but undoubtedly occurs commonly throug-hout the 

 greater part of eastern North Carolina. 



genus reithrodontomys, giglioli (Harvest Mice). 



11. Reithrodontomys lecontei lecontei Aud & Bach. Harvest 

 Mouse. Light brown above, whitish beneath. L. 5. T. 2^. 

 Much like a House Mouse but smaller and distinguished by 

 its grooved front teeth and furry ears. Has only been taken* 



