_Putorius frenatus leucoparia_ Merriam, N. Amer. Fauna, 11:29,
June 30, 1896, type from PAitzcuaro, MichoacAin.
_Mustela frenata leucoparia_, Miller, Bull. U. S. Nat. Mus.,
79:100, December 31, 1912.
_Range._--Probably statewide.
_Specimens examined_, 6: in Biological Surveys Collection of U. S.
Nat. Mus., nos. 120304, 125972, 34914/47179, 36855/49239, and
34915/47180; 2014 B. Villa R., I.B., distributed as follows:
Zamora, 1; Los Reyes, 1; PAitzcuaro, 4.
_Remarks._--This subspecies of weasel is notable for having, among
American weasels of any kind, the maximum amount of white on the head.
When collecting at PAitzcuaro we saw no live specimens but were shown
several from there that had been recently mounted by P. Luna. He
regarded the animal as not especially rare.
=Spilogale angustifrons angustifrons= Howell