MAMMALS OF PENNSYLVANIA AND NEW JERSEY. 243 



Pleistocene. Hartman's Cave, near Stroudsburg, Monroe Co., Penna. Ten 

 mandibular rami, etc. See list {anfea) for references to recent chipmunk. 



Arctomys monax (Linngeus). Maryland Marmot, Woodchuck. 



1889. Arctomys monax Leidy, Ann. Rep. Penn. Geol. Surv., 1887, pp. 5 

 and 18. 



Pleistocene. Hartman's Cave, near Stroudsburg, Monroe Co., and Dur- 

 ham Cave, near Riegelsville, Bucks Co., Penna. Skulls and various bones. 

 See list {antea) for references to recent marmot. 



Family Castorid^e ; Beavers. 



Castor canadensis Kuhl. American Beaver. 



1889. Castor fiber Leidy (not of Linn.), Ann. Rep. Penn. Geol. Surv, 1887, 

 pp. 5 and 18 ; Cope (not of Linn.), Proc. Acad. Nat. Sci., Phila., p. 378, 1896. 



Pleistocene. Port Kennedy, Montgomery Co., Penna. Left mandibular 

 ramus and three superior molars. Hartman's Cave, near Stroudsburg, Mon- 

 roe Co.. and Durham Cave, near Riegelsville, Bucks Co., Penna. Various 

 bones. " Portions of skull and jaws with teeth found together with remains 

 of the Mastodon in marshes in New Jersey." (Leidy in Holmes' Post Plei- 

 ocene Fossils of S. Carol., p. 112.) See list {antea) for references to recent 

 beaver. 



Family Murid^ ; Mice, Rats, etc. 



Peronjyscus leucopus (Rafinesque). Rafinesque's Deer Mouse. 



1889. Hesperomys leucopus Leidy, Ann. Rep. Penn. Geol. Surv., 1887, p. 6. 

 Pleistocene. Hartman's Cave, near Stroudsburg, Monroe Co., Penna. One 

 mandibular ramus, etc. 



Peromyscus sp.— (Cope). 



1 87 1. Hesperomys sp.. Cope, Proc. Amer. Philos. Soc, xii, p. 87. 



1897 {Peromyscus). Pub. Univ. of Penna., vol. 6, p. 170. (Mercer). 



Pleistocene. Port Kennedy, Montgomery Co., Penna. Durham Cave, 

 Bucks Co., Penna. Rami with teeth ; various bones. See list {antea) of 

 recent Peromyscus. 



Neotoma magister Baird. Allegheny Cave Rat. 



1857. Neotoma magister Baird. Mamm. N. Amer., p. 498. 

 1889. Neotoma floridana Leidy (not Say and Ord), Ann. Rep. Penn. Geol. 

 Surv., 1887, pp. 6 and 19. 



" Bone caves of Pennsylvania " (near Carlisle). Baird. 



Pleistocene. Hartman's Cave, near Stroudsburg, Monroe Co., Penna. 



