264 GEOMYS. CRATOGEOMYS. 



Geogr. Distr. Coast and islands of Texas, between Matagorda 

 and Nueces Bay; also in interior and vicinity of San Antonio. 



639. Qeomys texensis Merriam. 



Geoniys texensis Merr., Mon. Geomyidae, N. Am. Faun., No. 8, 1895, 

 p. 137, pis. and figs. Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., II, 1901, p. 219. Zool. Ser. 

 Texas Pocket Gopher. 



Type locality. Mason, Mason County, Texas. 



Geogr. Distr. Mason County, central Texas, and probably south 

 to the Rio Grande. 



640. Qeomys arenarius Merriam. 



Geomys arenarius Merr., Mon. Geomyidae, N. Am. Faun., No. 8, 



1895, p. 139, pis. and figs. Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 219. Zool. Ser. Id. Mamm. Middle Amer. 



. & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 310, fig. 56. 



Zool. Ser. 



Sand-frequenting Pocket Gopher. 



Type locality. El Paso, El Paso County, Texas. 

 Geogr. Distr. Valley of the Upper Rio Grande from El Paso and 

 Juarez, State of Chihuahua, Mexico, north to Las Cruces and west 

 to Deming, New Mexico. 



641. Geomys personatus True. 



Geomys personatus True, Proc. U. S. Nat. Mus., xi, 1889, p. 159. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 220. 

 Zool. Ser. 

 Masked Pocket Gopher. 



Type locality. Padre Island, Cameron County, Texas. 

 Geogr. Distr. Padre Island and mainland to Carrizo on the Rio 

 Grande. 



a. Geomys pcTSonaiuH falh(.v Merriam. 



Geomys personatus fallax Merr., Mon. Geomyidae, N. Am. Faun., 

 No. 8, 1895, p. 144, pi. 12, fig. 3. Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 220. Zool. Ser. 

 Deceitful Pocket Gopher. 



Type locality. South side of Nueces Bay, Cameron County, Texas. 

 Geogr. Distr. South shore of Nueces Bay and lower Nueces River, 

 Texas. 



Genus 87. ('i-;it<)j»ooinys. Powerful Pocket (iroi)liors. 



Cratogeomys Merr., Mon. Geomyidas, N. Am. Faun., No. 8, 1895, p. 

 150. Type Geomys merriami Thomas. 



