FIBER. SYNAPTOMYS. LEMMUS. 305 



512. Fiber obscurus Bangs. 



Fiber obscurus Bangs, Proc. Biol. Soc. Wash., ix, 1894, p. 133. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 214. 

 Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. & W. Indies, 

 F. C. M. Pub., VI, 1905, p. 254. Zool. Ser. 

 Dusky Musk Rat. 



I. Adult cJ^ Exch. St. George's Bay, Newfoundland. Am. 

 Mus. Nat. Hist. N. Y. 



Genus 142. Syiiaptoinys. Leimning Voles. 



Synaptomys Baird, N. Am. Mamm., 1857, p. 558. Type Synap- 

 tomys coo peri Baird. 



Subgenus A. Synaptomys. 



513. Synaptomys cooperi Baird. 



Synaptomys cooperi Baird, N. Am. Mamm., 1857, p. 558. Elliot, 

 Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 203, fig. 45. 

 Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. & W. Indies, 

 F. C. M. Pub., VI, 1905, p. 255. Zool. Ser. 

 Cooper's Lemming Vole. 



1. Adult <S^ Coll. White Sulphur Springs, West Virginia. T. Sur- 

 ber. 



2. Adult ? Coll. White Sulphur Springs, West Virginia. T. Sur- 

 ber. 



514. Synaptomys fatuus Bangs. 



Synaptomys fatuus Bangs, Proc. Biol. Soc. Wash., x, 1896, p. 47. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 204. 

 Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. & W. Indies, 

 F. C. M. Pub., VI, 1905, p. 256. Zool. Ser. 

 Silly Lemming Vole. 



1-2. Adult c? Topotypes. Coll. Lake lidward, Province of 

 Quebec, Canada. T. Surber. 

 3. Adult 9 Topotype. Coll. Lake Edward, Province of 

 Quebec, Canada. T. Surber. 



Genus 143. LeiniiiU8. Leiiiiiiiugs. 



Lemmus Link, Zool. Beyt. Natur., i, Pt. 2, 1795, p. 75. Type Mus 

 lemmus Linnaeus. 

 Myodes Pallas, Zoog. Rosso-Asiat., i, 1811, p, 172. 



