Fes., 1912 Mammats or ILLINOIS AND Wisconsin — Cory. 365 
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Supposed distribution of the Minks (subgenus Lutreola) in eastern United States and Canada. 
The range limits of the various forms have not as yet been satisfactorily determined. 
Putorius vison (SCHREBER). (Sdugthiere, III, 1777, p. 463.) Type locality — 
Eastern Canada. A small, dark form. 
Putorius v. lutreocephalus (HARLAN). Type locality — Maryland. Larger and 
not so dark as vison. Description as previously given. 
Putorius v. vulgivagus (BANGS). (Proc. Bost. Soc. Nat. Hist., XXVII, 1895, p. 536.) 
Type locality — Burbridge, Plaquemines Parish, Louisiana. Somewhat paler 
than vison; skull arched and rounded. 
Putorius v. lacustris (PREBLE). (N. Amer. Fauna, No. 22, 1902, p. 66.) Type 
locality — Echemamish River, near Painted Stone, Keewatin, Canada. ‘‘Sim- 
ilar to P. vison but larger; skull more angular’’ (Preble); very close to /utreo- 
cephalus. 
Putorius lutensis BANGS. (Proc. Bost. Soc. Nat. Hist., XXIX, 1898, p. 229.) 
Type locality — Matanzas Inlet, St. John Co., Florida. Size smaller than 
lutreocephalus; tail shorter; general color decidedly paler and less brown. 
