236 MAMMALS OF PENNSYLVANIA AND NEW JERSEY. 



1758. Genus Elephas Linnaeus, Systema Naturae, p. 33. 

 Elephas COlumbi Falconer. American Fossil Elephant. 



1857. Elephas columbi Falconer. Quart. Jour. Geol. Soc. London, vol. 13 ; 

 table facing p. 319. 



1868. Elephas primigenius Cope. Geol. N. Jersey, p. 740. 



Type locality. Mexico and the southern United States. 



Pleistocene. Cope (sup. tit.) records teeth of this animal from the 

 " Gravel Drift " in N. Jersey. I have examined a molar in the Rutgers 

 College Museum, taken near Plainfield, Union Co., N. J. Prof. S. Mitchell, 

 in his Appx. to Cuvier's Theory of the Earth, N. York ed., 1818, p. 384, de- 

 scribes and figures a tooth taken near Shrewsbury, Monmouth Co., N. J. 



Remains of the true fossil elephant in the eastern U. States are very rare 

 as compared with those of the mastodon. Michener in his list of the mam- 

 mals of Chester Co., Pa., records a tooth from Hockesson Valley. 



Family RHINOCEROTID^E ; Rhinoceroses. 

 1832. Genus Aceratherium Kaup, Isis, p. ?. 

 Aceratherium matutinmn (Marsh). Appalachian Rhinoceros. 



1 870. Rhinoceros matutinum Marsh. Proc. Acad. Nat. Sci., Phila., p. 3 

 (nomen nudum). 



1894. Rhinoceros matutinus Marsh. Amer. Journ. Sci. xlvi, p. 411. 

 1898. \_Aceratheriuni} matutinus Trouessart. Catalogus Mammalium, 

 p. 748. 



Type locatity. Squankum, N. J. Type in Yale Univ. Museum. 

 Miocene. Squankum, Monmouth Co., New Jersey. Molar. 



Family TAPIRIDJE ; Tapirs. 



1877. Genus Tapiravus Marsh. Amer. Jour. Science, p. 252. 

 Tapiravus validus (Marsh). Marsh's Fossil Tapir. 



1871. Lophiodon validus Marsh, Proc. Acad. Nat. Sci., Phila., p. 9. 

 1877. T. [apiravus~\ validus Marsh, Amer. Journ. Sci., vol. xiv, p. 252. 

 Type locality. Cumberland Co., N. J. Type in Yale Univ. Mus. ? 

 Miocene. Cumberland Co., New Jersey. Molar. 



1798. Genus Tapirus Cuvier, Tableau Element. Del. Hist. Nat., p. 152. 

 Tapirus haysii Leidy. Hays's Fossil Tapir. 



1850. Tapirus Americanus fossilis Leidy, Proc. Acad. Nat. Sci., vol. iv, 

 p. 1 80. 



