428 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



* Ondatra rivalicia (Bangs). 



1895. Fiber zibethicus rivalicius Bangs, Proc. Boston Soc. Nat, 



Hist., vol. 26, p. 541. July 31, 1895. 

 1912. Ondatra rivalicia Miller, North Amer. Land Mamm. 



1911, p. 232. December 31, 1912. 

 Type Locality. — Burbridge, Plaquemines Parish, Louisiana. 

 Range. — Coast region of Louisiana, north to northern Calcasieu^ 



Pointe Coupee, and Tangipahoa Parishes. 



Family MURIDiE. 



Subfamily Murine. 



Genus RATTUS G. Fischer. 



1803. Riiitus [sic] G. Fischer, Das Nationalmuseum der Natur- 

 geschichte zu Paris, vol. 2, p. 128. Type, Mus decumanus 

 Pallas = 21. norvegicus Erxleben.^ 



Subgenus EPIMYS Trouesart. 



1881. Epimys Trouessart, Bull. Soc. d'Etudes Sci. d' Angers, 

 vol. 10, fasc. 2, p. 117. Type, by subsequent designation 

 (MUler, Proc. Biol. Soc. Washington, vol. 23, p. 58, April 19^ 

 1910), Mus rattus Linn^us. 



1917. Epinomys Elliot, Check-List Mamm. N. Amer., SuppL, 

 p. 41. (Substitute for Epimys.) 



*Rattus rattus rattus (Linnaeus). (Black Rat.) 



1758. [Mus] rattus Linn^us, Syst. Nat., ed. 10, vol. 1, p. 61. 

 1916. Rattus rattus Hollister, Proc. Biol. Soc. Washington, 



vol. 29., p. 126. June 6, 1916. 

 Type Locality. — Upsala, Sweden. Introduced and widely 



established in North America. 



*Rattus rattus alexandrinus (Geoff roy). (Roof-rat.) 



1803. Mus alexandrinus Geoffroy, Catal. Mammif. du Mus. Nat. 

 d'Hist. Nat., Paris, p. 192. 



1918. Riattusl rattus alexandrinus Hinton, Journ. Bombay Nat. 

 Hist. Soc, vol. 26, p. 63. December 20, 1918. 



Type Locality. — Alexandria, Egypt. Introduced and widely 

 established in North America. 



Subgenus RATTUS G. Fischer. 



*Rattus norvegicus (Erxleben). (House-rat.) 



1777. [Mus] norvegicus Erxleben, S3''st. Regni Anim., vol. 1, 

 p. 381. 



' See Hollister, Proc. Biol. Soc. Washington, vol. 29, p. 12fi, June 6, 1916; Thomas, Arm. and Mag. Nat. 

 Hist., ser. 8, vol. 18 ,p. 240, August, 1910; Hollister, Proc. Biol. Soc. Washington, vol. 29, pp. 206-207, Sept. 

 22, 1910. 



