232 Fretp Museum or Naturat History — Zoéxoey, Vou. XI. 
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TEX LA. 4 Fz. cinnamomenus 
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t © F. z. macrodon 
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of intergradation| 
Ce 5 
Map illustrating approximate distribution of Sapiro (Fiber) in eastern United States and 
anada. 
Fiber zibethicus (LINN.). Type locality——Eastern Canada. Description as previous- 
ly given. 
Fiber z. hudsonius PREBLE. (N. Amer. Fauna, No. 22, 1902, p. 53.) Type locality — 
Fort Churchill, Keewatin, Canada. Smaller and paler than sibethicus, with 
smaller molars. 
Fiber z. cinnamominus HoLuisteR. (Proc. Biol. Soc. Wash., XXIII, 1910, p. 126.) 
Type locality — Wakeeney, Trego Co., Kansas. Coloration pale; smaller and 
more reddish than zibethicus. 
Fiber z. aquilonius Bancs. (Proc. N. Eng. Zéol. Club, I, 1899, p. 11.) Type locality 
— Rigoulette, Hamilton Inlet, Labrador. Darker and upper parts more black- 
ish than zibethicus; hind foot smaller. 
Fiber 2. macrodon (MERRIAM). (Proc. Biol. Soc. Wash., XI, 1897, p. 143.) Type 
locality — Lake Drummond, Dismal Swamp, Norfolk Co., Virginia. Color 
darker and richer than zibethicus; teeth larger. 
Fiber z. rivalicius BaNGs. (Proc. Bost. Soc. Nat. Hist., XXVI, 1895, p. 541.) Type 
locality — Burbridge, Plaquemines Parish, Louisiana. Smaller than zibethicus 
and coloration more dull and sooty. 
Fiber obscurus BANGS. (Proc. Biol. Soc. Wash., IX, 1894, p. 133.) Type locality — 
Codroy, New Foundland. Smaller than zibethicus; upper parts darker, and 
under parts and sides less ferruginous. 
