VOL. III.] Additions to Ma^nmal Fauna. 203 



given it is the type locality and not necessarily the entire habitat of 

 the species. 



While the appended list of eliminated species is by no means 

 complete, it is given for whatever assistance it may be to students. 



GENERIC AND SUBGENERIC ADDITIONS AND CHANGES. 



1. Aplodontia Richardson. [Andetates Haplodo7i\ Richard- 

 son. 



(Cf. Merriam, Science, vii, March 5, 1886, p. 219; Ann. N. Y. 

 Acad. Sci. iii, May, 1886, p. 312.) 



2. Phenacomys Merriam. 



Merriam, N. Am. Fauna, No. 2, Oct. 30, 1889, p. 28. 

 Type, Phenacomys intermedins Merriam, from Kamloops, British 

 Columbia. 



3. SiTOMYS Fitzinger. \_Hesperomys Waterhouse, antedates 

 Vesperimiis Coues.] 



Fitzinger, Sitzungsber, math. nat. classe, K, Acad. Wiss. Wien, 

 Ivi, 1867, p. 97. 



Type Criceius myoides Gapper, from Lake Simcoe, Ontario, 

 Canada. 



(Cf. Merriam, Proc. Biol. Soc. Wash, vii, April 13, 1892, p. 27, 

 foot-note.) , 



4. Onychomys Baird. [Subgenus.] 



Baird, Mamm. N. Am. 1857, p. 458. Raised to generic rank by 

 Merriam N. Am. Fauna, No. 2, p. 3. 



Type, HypndcBUS leucogaster Max Wied from old Fort Clark, 

 North Dakota. 



5. Reithrodontomys Giglioli. [Antedates Oclietodon Coues, 

 1874.]. 



Giglioli, Richerche intornoalla Distribuzione Geografica Generale, 

 Roma, 1873, p. 160, foot-note. 



(Cf. Merriam, Proc. Biol. Soc. Wash, vii, Apr. 13, 1892, p. 26, 

 foot-note.) 



6. Ch^todipus Merriam. [Subgenus of Perognathus.^ 

 Merriam, N. Am. Fauna, No. i, p. 5. 



Type, CIicBtodipus spinatus Merriam, from lower Colorado River, 

 California. 



7. Perodipus Fitzinger. [Antedates Dipodops Merriam, 1890.] 



