266 CRATOGEOMYS. PLATYGEOMYS. 



Mount Iztaccihuatl Pocket Gopher. 



Type locality. Mount Iztaccihuatl, State of Mexico, Mexico. 

 Altitude, 11,500 feet. 



Geogr. Distr. Higher slopes of Mount Iztaccihuatl, "Mexico. 



647. Cratogeomys castanops (Baird). 



Psendostoma castanops Baird, Rep. Stansb. Exped. to Great Salt 



Lake, 1852, p. 313. 

 Geontys clarkii Baird, Proc. Acad. Nat. Scien. Phil., 1855, p. 332. 

 Cratogeomys castanops Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 220, fig. 51. Zool. Ser. Id. Mamm. Middle Amer. 

 & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 315, figs. 57, 

 XLVi.. Zool. Ser. 

 Chestnut-faced Pocket Gopher. 



Type locality. Prairie road to Bent's Fort, near the present town 

 of Las Animas, Bent County, Colorado, on the Arkansas River. 



Geogr. Distr. States of Chihuahua and Coahuila, Mexico, north 

 to Colorado. 



a. Cr'atogeomys castanops goldmani Merriam. 



Cratogeomys castanops goldmani Merr., Mon. Geomyidae, N. Am. 

 Faun., No. 8, 1895, P- ^^o. Elliot, Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 316. Zool. Ser.- 

 Goldman's Pocket Gopher. 



Type locality. Caiiitas, State of Zacatecas, Mexico, 

 Geogr. Distr. Known only from the type locality. 



648. Cratogeomys fulvescens Merriam. 



Cratogeomys fulvescens Merr., Mon. Geomyidae, N. Am. Faun., No. 

 8, 1895, P- 161, pi. 12, fig. 2. Elliot, Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 316. Zool. Ser. 

 Fulvous Pocket Gopher. 



Type locality. Chalchicomula, State of Puebla, Mexico, 

 Geogr. Distr. States of Puebla and Tlaxcala, from "Esperanza 

 north to Perote, and west to the northeast base of Mount Malinche 

 in Tlaxcala," Mexico, 



Genus 88. Platygeoinys. Broad-headed Pocket Gophers. 



Platygeomys Merr., Mon. Geomyidae, N. Am. Faun., No. 8, 1895, P- 

 162, pis. and figs. Type Geomys gymnurus Merriam. 



649. Platygeomys gymnurus (Merriam). 



Geomys gymnurus Merr., Proc. Biol. Soc. Wash., vii, 1892, p. 166. 



