Microtus. 457 



F. Hyperacrius, Miller, 1896. 

 Miller, North-American Fauna, No. 12, 1896, p. 9, 54. 



4639.fertilis, True — (3:^39). Cachemyr Centrali 



(M« Pir Panjal et 



Kaj Nag, 

 2300-4000 m.). 



4640. aitchisoni, Miller — {3:J40). Cachemyr (Gulmerg, 



3000 m.). 



G. Steneocranius, Kasceuko, 1901. 



Microtus, p., Poliakoflf, 1881. 

 Kascenko, Auniiaire Mus. Zool. S* Petersb., VI, 1901, p. 166. 



4640'^i« slow7owi. Poliakoff, 1881; Kascenko, Siberia. 



1. c, 1901, p. 166. 



H. Platycranius, Kascenko, 1901. 

 Kasceuko, Ann. Mus. Zool. S* Petersb., 1901. p. 166. 



4640 ter- streizowi, Kascenko, 1898 ; id., l.c, 1901, Siberia. 



p. 166. 



I. Orthriomys, Merriam, 1898. 



Merriam, Proc. Biol. Soc. Wash., 1898, p. 106. 



4641,umbrosus, Merriam — (3340^)- Bailey, Mexico, Oaxaca 



North-Am. Fauna, 17, 1900, p. 77, 76, (M^'' Zempoaltepec, 

 tig. 15, pi. 2. lig. 8. 2700 m.). 



J. Herpetomys, Merriarn, 1898. 

 Merriam, Proc. Biol. Soc. Wash., 1898, p. 1<»7. 



4642. guatemalensis. Merriam — (3340^);BRi[ey, Guatemala (Todos 

 1. c, 1900, ]). 78, fig. 16, pi. 2, tig. 9. ^ Sautos, 3300 m.). 



K. Pedomys, Baird, 1857. 

 Baird, Mamm. North-Amer., 1857, p. 517. 



4643. austerus, Le Conte — {3341); Bailey, United States 



N.-Amer. Fauna, 17, 1900, p. 73, f. 14, (Wisconsiu), Vallo 



pi. 3, f. 4; Elliot, Field Columb. Mus., Mississipi usque ad 



1901, p. 196, fig. 40. Missouri Merid., 



'hclivog aster, Wagner, 1843. Oklahoma,KansasOr., 



ciimainoiw-iis, Baird, — {3343). Nebraska. 



4644. ludovicianus, Bailey, l.c, 1900, p. 74; Elliot, LouisianaMerid.-Occ, 

 1. c, 1901, p. 197. lowa (Calcasieii 



Parish). 



