d. Mustela erminea haidarum, ♂ ad., 230777, U. S. N. M., Graham Island, B. C.

e. Mustela erminea anguinae, ♂ ad., 13508, Nat. Mus. Canada, Cape Scott, V. I., B. C.

f. Mustela erminea fallenda, ♂ ad., 7096, Nat. Mus. Canada, Huntingdon, B. C.

g. Mustela e. olympica, ♂ ad., 90738, U. S. N. M., near head of Soleduc Riv., Wash.

h. Mustela erminea streatori, ♂ ad., 133, Coll. of Alex Walker, Blaine, Oregon.

i. Mustela erminea gulosa, ♂ ad., 82177, U. S. Nat. Mus., Trout Lake, Wash.

Plate 7. Photos, retouched, of skulls, of subspecies of Mustela erminea. Natural size.

a. Mustela erminea celenda, ♂ ad., 1053, Los Angeles Mus., Craig, Alaska.

b. Mustela erminea seclusa, ♂ ad., 31232, M. V. Z., Port Santa Cruz, Alaska.