70 THOMOMYS GEOMYS. 



Thomomys douglasi yelmensis Meniaiu. Hioloo-icjil Siir\(\v coll. 

 Pn.c. r.iol. Soc. \\'asli., XIII, p. LM, .liimiary ".I, 1S!)!I. 

 43777- Skill aiul skull. Adult inalc. Tenino, Yolui Pr;iii-i(>, AN'iisli- 

 inotoii. Octol)er 24, ISDI. Collected by C. 1*. Streator. Oiioiiud 

 nuniher 1885. 



W('ll-ina<Io skin in <ic)0(\ condition; skull ]icrf('('t. 



Genus GEOMYS. 

 Geomys arenarius ]\leriituii. Hiolooical Survey collection. 



Nortli Amer. Fauna, No. 8, pp. 118, 139-141, i)l. <.i, lig. 1; pi. 13, fio:. 13, Jaimary 

 31, 18!)5. 



iHH- Skill and skull. Adult male. El Paso, Texas. December l-l, 

 1889 (not Deceml)er 13, 1889, as in orig-inal description). Collected 

 b)'^ V. Bailey. Original number 798. 



Well-noade skin in good condition; skull perfect. 



Geomys breviceps attwateri Merriam. Biological Surve}' coll. 



North Anicr. Fauna, No. 8, pp. 113, 135-137, pi. 9, fig. 3, .January 31, 1895. 



51382. Skin and skull. Adult male. Rockport, Texas. November 

 18, 1892. Collected by H. H. Keays. Orig-inal luuuber 36. 



\\'ell-inade skin in jjuod condition; skull perfect. 



Geomys breviceps Baird. 



l*roc. .\cad. Nat. Sci. Phila., VIT, p. 335, reported favorably for publication Aj)ril 

 24, 1855. 



-^1%%. Skin and skull. iVdult female. Prairie MerKouge, Louisiana. 

 1852. Collected by .lames Fairie. Skin catalogued May 19, 1853; 

 skull May 25, 1853. 



Skin well preserved. It has somewhat the appearance of having been in alco- 

 hdl al line time; rather badly made up. Skull lia.s a large triangular ojiening in 

 brain case on the right side, involving basal and posterior parts. Mandible 

 with left coronoid process broken and the rightaml left hist lower molars lost. 



Type not designated by number, but close measurements are givi'U in the 

 original description, wliich apply to No. 15(5 only, in the tables given in liaird's 

 .Mammals of North .\merica, i>age9 379 and 380. 



Geomys personatus fallax Merriam. IMological Survev collection. 



North .\mer. Fauna, No. 8, pp. 113, 144-145, pi. 12, fig. 3, January 31, 1895. 



1184 5- Skin and skull. Adult male. South side of Nueces Bay, 

 Texas. Noveml)er 30, 1891. Collected ])y W. Lloyd. Original 

 numl)er 9-l',>. 



Well-made skin in good condition; skull jjerfect. 



Geomys breviceps llanensis Bailey. Biological Survey collection. 

 North Amer. Fauna, No. 25, pp. 129-130, October 24, 1905. 

 97()8«). Skin and skidl. AcUdt male. Llano, Texas. May 15, 1899. 

 Collected by V. Jiailey. Original number (>!>12. 

 Well-made skin in good condition; skull perfect. 



