MILLER AND REHN : NORTH AMERICAN MAMMALS. 135 



1897. Dicrostonyx fnidsoaiifs Baxgs, Proc. l)iol. soc. Wash- 

 ington, XI, p. 287. September 17, 1897. 

 Type locality.— Labrador. 



Dicrostonyx hudsonius alascensis Stone. 



1900. Dicrostonyx hudsonlus a/<(.scensis Stone, Proc. acad. 



uat. sci. Phila., p. 37. March 24, 1900. 

 Type locality. — Point Barrow, Alaska. 



* Dicrostonyx nelsoni Merriam. 



1885. Citniculns torqiiatus True, Proc. U. S. nat. mus., vii 



(1884), p. 596. 1885. (Part.) 

 1900. Dicrostonyx nelsoni Merpjam, Proc. Washington 



acad. sci., ii, p. 25. March 14, 1900. 

 Type locality.-^ St. Michael's, Alaska. 



Dicrostonyx richardsoni Merriam, 



1900. Dicrostonyx richardsoni Merriam, Proc. Washington 



acad. sci., ii, p. 26. March 14, 1900. 

 Type locality. — Fort Churchill, west shore of Hudson Bay, 



Kewatin, Canada. 



Dicrostonyx unalascensis Merriam. 



1900. Dicrostonyx unalascensis Merriam, Proc. Washing- 

 ton acad. sci., ii, p. 25. March 14, 1900. 

 Type locality. — Unalaska, Alaska. 



Family GEOMYIDAE. 



Genus GEOMYS Pafinesque.i 



1817. Gcornys Rafixesque, Amer. monthly magazine, ii, p. 45. 

 November, 1817. Type. — Geoniys pinetis Rafixesque {^^Mus 

 tuza Ord). 



1 Revised by Merriam. North Amer. fauna, no, 8, \)\i. 109-H5. January .'31, 1895. 



