VOL. III. ] Additions to Mammal 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 Haplodon] Richard- 
Sani =. 
(Cf. Merriam, Science, vii, March 5, 1886, p. 219; Ann. N. Y. 
Acad. Sci. ii, May, 1886, p. 312.) 
2. PHENACOMYS Merriam. 
Merriam, N. Am. Fauna, No. 2, Oct. 30, 1889, p. 28. 
Type, Phenacomys intermedius Merriam, from Kamloops, British 
Columbia. 
3. Sitomys Fitzinger. [Hesferomys Waterhouse, antedates 
Vesperimus Coues. ] 
Fitzinger, Sitzungsber, math. nat. classe, K, Acad. Wiss. Wien, 
Ivi, 1867, p. 97. 
Type Cricetus 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, Aypudeus leucogaster Max Wied from old Fort Clark, 
North Dakota. 
5. REITHRODONTOMYS Giglioli. [Antedates Ochetodon Coues, 
1874.] 
Giglioli, Richerche intorno alla Distribuzione Geografica Generale, 
Roma, 1873, p. 160, foot-note. 
_ (Cf. Merriam, Proc. Biol. Soc. issn vii, Apr. 13, 1892, p. 26, 
foot-note.) : 
6. CHaToprPus Merriam. - [Subgenus of Perognathus. } 
Merriam, N. Am. Fauna, No. 1, p. 5. 
Type, Chetodipus spinatus Merriam, from lower Colorado Rive, 
California. 
: ae oF Seninscin ach Fitzinger. ened Dipoiop Merriam, 1890. ] 
