Maerogeomys, Zygogeomys, Thomomys. 



628. Macrogeomys, Merriam, 1895 



Geomys, p., Peters, 1864. 



3170. heterodus. Peters, M.-B. Akad. Berlin, 

 1864, p. 177: Merriani, N.-Am. Fauna, 

 N° 8. p. 186. pl. 11 et 14. 



3471. dolichocephalus. Merriam, N.-Ani. Fauna, 

 N° 8. p. 189. pl. 5. 10, 13. 



3472. costaricensis. Merriani. North-Anier. Fauna, 

 N° 8, 1895, p. 192, pl. 11. 13, 14. 



3473. Cherriei, Allen. Bull. Amer. Mns. New-Tork, 

 V. 1893, p. 337: Merriam, N.-Am. Fauna, 

 N°8. 1895. p. 194. pl. 15, fig. 1; Allen, 

 Bull. Am. Mus.. 1896, p. 45, pl. I (cran.). 



575 



Costa-Eica, M s Irazu. 



Costa-Eica, San Jose. 



Costa-Eica, Pacuare. 



Costa-Eica, Santa 

 Clara, Jimenez. 



629. Zygogeomys, Merriam, 1895. 



3474. trichopus. Merriam, North-Amer. Fauna, 

 N° 8. 1895, p. 195, 196. pl. 6, 13, 14, 15, 

 17. 18, 19. 



Mexico, Sierra Madre 



de Michoacan, a Patz- 



cuaro ad Nahuatzin 



(2300—3200 m.). 



630. Thomomys, Wied, 1839. 



1893. — J. A. Allen, Descriptions of four JSeiv Species of Thomomys, icith 

 remarks on other species of the Genus (Revision), — Bull. Amer. Mus. 

 Nat. Hist. Xew-York, V, 1893, p. 47—67. 



Geomys, p., Eichards., 1828; Diplostoma, p., Eichards; Oryctomys, 

 Eyd. et Gerv., 1836. 



3475. bulbivorus, Bichards., Fauna Bor.-Amer., 

 1829.1. p. 206, pl. 18B; Brandt, Beit. 

 Saug.. 1855. p. 188, pl. 5; Coues, Eod., 

 p. 626 (part); Allen, Bull. Amer. Mus. 

 N.-York. 1893, p. 66, pl.I, fig. 14 (cran.); 

 Miller. Proc. Biol. Soc. Wash., 1893, p. 113 ; 

 Merriam, N.-Am. Fauna, N° 8, 1895, 

 p. 198, fig. 68—71. 



3476. Bottai, Eyd. et Gerv., Mag. Zool, 1836, 

 p. 23. pl. XXI. fig. 4 (dent.); Voy. Favorite, 

 pl.YlTI; Allen, Bull. Am. Mus., 1893, 

 p. 66, pl. I, fig. 8, 9 (sub nom.: Bottae); 

 1896, p. 263. 



bulbivorus, Baird (nec Eichards.), pl. 50 

 et 52. 



America Sept- 



Occidentali: Oregon, 



Multnomah Co., 



Washington Co., 



Lower Columbia 



Eiver. 



California centrali et 



merid., M s Santa 



Cruz, Portola. 



