FIBER. SYNAPTOMYS. _>:,.-> 



DUSKY MUSK RAT. 



Type locality. Codroy, Newfoundland. 



Geogr. Distr. Newfoundland. Range unknown. 



618. Fiber macrodon Merriam. 



Fiber macrodon Merr., Proc. Biol. Soc. Wash., xi, 1897, p. 143. 

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

 Zool. Ser. 

 LARGE-TOOTHED MUSK RAT. 



Type locality. Lake Drummond, Dismal Swamp, Norfolk County, 

 Virginia. 



Geogr. Distr. Known only from the Dismal Swamp, Virginia. 



Genus 83. $yiini>toiuys. Lemming Voles. 



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

 coo peri Baird. 



Subgenus A. Synaptomys. 



619. Synaptomys cooperi Baird. 



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

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

 Zool. Ser. 

 COOPER'S LEMMING VOLE. 



Type locality. Unknown. Southern New York, or northern New 

 Jersey. 



Geogr. Distr. Eastern Massachusetts to Minnesota, south to 

 North Carolina, Tennessee, Indiana, and Iowa. 



a. Stiiniptminjs cooperi stonii (Rhoads). 



Synaptomys stonei Rhoads, Amer. Nat., xxvn, 1893, p. 53. 

 Synaptomys helaletes Merr., Proc. Biol. Soc. Wash., x, 1896, p. 59. 



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



Zool. Ser. 

 STONE'S LEMMING VOLE. 



Type locality. Mays Landing, Atlantic County, New Jersey. 

 Geogr. Distr. Sphagnum bogs of the Carolina fauna. 



b. SyiKtjttnmys cooperi gossi (Merriam). 



Synaptomys helaletes gossii Merr., Proc. Biol. Soc. Wash., x, 1896, 

 p. 60. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., n, 1901, 

 p. 204. Zool. Ser. 



Synaptomys cooperi gossi Rhoads, Proc. Acad. Nat. Scien. Phil., 

 1897, p. 307. 



