246 MAMMALS OF PENNSYLVANIA AND NEW JERSEY. 



1889. Castoroides ohioensis Leidy, Ann. Rep. Penn. Geol. Surv., 1887, p. 14. 



Type locality. — Near Nashport, Muskingum ("Licking") Co., Ohio. 



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

 Incisors and molar teeth. Also recorded by S. Lockwood in Hist, of Mon- 

 mouth Co., N. J., as having been found there. 



Family Ochotonid^ ; Pikas. 



1795. Genus Ochotona Link. 



Ochotona palatinus (Cope). Cope's Fossil Pika. 



1 87 1. Prao the rium pa lalmum Co'^e., Proc. Amer. Philos. Soc, xii, p. 94, 

 fig. 20. 



1899. Logomys palatinus Cope, Journ. Acad. Nat. Sci., Phila., (2), xi, pt. ii, 

 p. 209. 



Pleistocene. Port Kennedy, Montgomery Co., Penna. Palatal region of 

 one individual with four molars. 



Family LEPORiDiE ; Hares. 



Lepus floridanus mallums (Thomas). Eastern Cottontail Rabbit, 



1871. Lepus sylvaticus Cope, Proc. Amer. Philos. Soc, vol. xii, p. 93; 

 Leidy, Ann. Rep. Penn. Geol. Surv., 1887, pp. 6 and 19, 1889. 



Pleistocene. Port Kennedy, Montgomery Co., Penna. Remains of nu- 

 merous individuals. Hartman's Cave, near Stroudsburg, Monroe Co., Penna. 

 Various bones and teeth. Durham Cave, near Riegelsville, Bucks Co., Penna. 



Order SiRENiA : Manatees, ^Dugongs, etc. 



Family Trichechid^ ; Manatees. 



1758. Genus Trichecus Linnaeus, Systema Naturae, vol. i, p. 34. 



Trichecus sp. (Leidy). 



1869. Mafiatus sp. Leidy, Extinct Mamm. N. America, p. 414. 

 " Miocene and later formations of New Jersey." 



Family Dugongid^ ; Dugongs. 

 187 1. Genus Hemicaulodon Cope, Proc. Amer. Philos. Soc, vol. xi, p. 191. 



Hemicaulodon effodiens Cope. Great Extinct Dugong. 



1871. Hemicaulodon effodiens Cope, Proc. Amer. Philos. Soc, vol. xi, p. 

 191, pi. 5, fig, 6. 



