140 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 



Genus PLATYGEOMYS Merriam.i 



1895. Platygeomys Merriam, North Anier. fauna, no. 8, p. 162. 

 January 31, 1895. Type. — (jreomys gynniurus Merriam. 



Platygeoniys gymnurus (Merriam). 



1892. Geoitn/s (/ijiitnurus Merriam, Proc. biol. soc. Wash- 

 ington, VII, p. 166. September 29, 1892. 

 1895. Plat II (jeo) ays gymnurus Merriam, Xorth Amer. fauna, 



no. 8, p. 164. January 81, 1895. 

 Type locality. — Zapotlan, State of Jalisco, Mexico. 



Platygeomys tylorhinus ^lerriam. 



1895. Platyyeoiiiys tylorhinus Merriam, North Amer. fauna, 



no. 8, p. 167. JanuaiT 81, 1895. 

 Type locality. — Tula, State of Hidalgo, Mexico. 



Platygeomys planiceps Merriam. 



1895. Phttyytoiiiys phmiceps Merriam, North Amer. fauna, 



no. 8, p. 168. January 31, 1895. 

 Type locality. — North slope Volcano of Toluca, State of 



Mexico, Mexico. 



Platygeomys fumosus (Merriam). 



1892. Gcmnys f/nnosus Merriam, Proc. biol. soc. Washing- 

 ton, VII, p. 165. September 29, 1892. 



1895. Platyyeomys fumosus Merriam, North Amer. fauna, 

 no. 8, p. 170. January 31, 1895. 



Type locality. — Colima City, State of Colima, Mexico. 



Genus ORTHOGEOMYS Merriam.^ 



1895. Orthogeomys Merriam, North Amer. fauna, no. 8, 

 p. 172. January 31, 1895. Type. — Geotuys scalops Thomas. 



• Revised by Merriam, North Amer. fauna, no. 8, pp. 162-171. January 31, 1895. 

 2 Revised by Merriam, North Amer. fauna, no. 8, pp. 172-179. January 31, 1895. 



