Part 101

M. C. Z. 9058 ad. Source Kettle River, B. C. 41.7 16.4 12.8 M. V. Z. 62791 ad. Beaverfoot Range, B. C. 42.0 16.4 13.5

Mustela frenata U. S. N. M. 186451 ad. Custer, South Dakota 40.9 15.0 13.8

A. M. N. H. 7440/9136 ad. Hill City, South Dakota 41.0 15.6 13.7

A. M. N. H. 7441 ad. Black Hills, South Dakota 37.6 14.1 12.2

Mustela frenata M. V. Z. 55211 ad. near Parks, Arizona 40.4 15.5 12.5 M. V. Z. 65231 ad. Alpine, Arizona 39.6 15.1 12.2 U. S. N. M. 248993 ad. Kaibab Plat., Arizona 40.4 15.6 12.9

A. M. N. H. 2490/1886 ad. S. F. Forest, Arizona 35.5 13.8 10.8

Mustela frenata average} {43.6 16.6 13.7 maximum} ad. 25 Sierra Nevada, California {46.1 17.6 14.9 minimum} {40.6 15.2 12.5

average} {43.7 16.5 13.9 maximum} ad. 10 S and SW Colorado {44.6 17.3 14.8 minimum} {41.6 16.0 12.8

average} {38.2 14.7 11.8 maximum} ad. 10 California {39.5 15.1 12.4 minimum} {36.7 13.9 11.0

average} {38.5 14.8 12.2 maximum} ad. 14 Colorado {39.7 15.4 13.1 minimum} {36.1 14.0 11.1

Mustela frenata average} {40.5 15.2 12.3 maximum} ad. 6 NE Oregon {41.8 16.4 12.7 minimum} {39.3 14.4 11.9 U. S. N. M. 212423 ad. Vale, Oregon 37.4

Mustela frenata average} {43.7 16.7 13.7 maximum} ad. 22 Mt. Adams, Washington {47.7 18.0 15.4 minimum} {40.0 15.6 12.5

average} {37.7 14.3 11.5 maximum} ad. 11 Mt. Adams, Washington {39.0 14.9 12.0 minimum} {37.1 13.3 10.8

Mustela frenata U. O. 3709 ad. Mt. Ashland, Oregon 45.8 17.2 14.1 U. S. N. M. 65930 ad. Siskiyou, Oregon 42.6 15.9 14.0 M. V. Z. 13778 ad. Jackson Lake, California 45.5 18.0 13.2 M. V. Z. 13779 ad. Jackson Lake, California 43.8 16.9 12.7 av. 4 44.4 17.0 13.5

M. V. Z. 52144 ad. S. Fork Mt., California 38.2 14.7 10.8

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D Interorbital breadth E Orbitonasal length F Mastoid breadth G Zygomatic breadth H Length } J Breadth }Tympanic Bulla K Depth } L Length m1 M Lateral } N Medial }P4 P Breadth }M1 Q Length } R Depth of Skull at Ant. margin of basioccipital S Depth of Skull at posterior borders of Msl

|-Tympanic Bulla-| |----P4---| |----M1---| D E F G H J K L M N P Q R S --------------------------------------------------------------------------------

oribasus 13.0 17.7 28.5 32.2 17.4 9.8 3.2 6.8 6.2 6.4 5.3 2.8 15.5 14.6 12.0 17.3 28.4 31.7 15.9 9.7 4.0 6.9 6.3 6.4 5.3 2.9 15.5 13.7 10.1 15.9 26.4 30.7 15.8 9.2 3.9 6.2 5.8 6.1 4.6 2.5 15.0 13.1 10.3 15.9 25.5 30.1 15.2 9.1 3.8 6.4 5.9 6.3 4.6 2.5 15.0 13.1 11.8 15.9 25.6 31.0 15.2 8.9 3.0 6.2 5.6 6.1 4.7 2.9 15.0 13.4

10.5 14.8 24.9 26.7 14.3 8.2 2.8 6.1 5.5 5.7 4.5 2.5 14.0 12.6 10.2 15.1 24.4 27.0 14.3 8.1 3.1 5.9 5.5 5.6 4.3 2.2 14.0 12.3

alleni 11.0 14.1 22.0 27.7 13.7 7.9 3.0 5.7 4.9 5.3 3.9 2.5 14.3 12.3

11.0 13.9 23.3 25.7 13.6 8.3 2.3 5.1 4.8 5.2 4.2 1.9 13.7 12.0

9.1 13.2 22.3 23.1 13.8 7.3 3.1 5.5 4.9 5.0 3.6 1.8 12.2 10.5

arizonensis 14.2 23.3 26.0 14.3 8.9 3.1 5.7 5.2 5.5 4.0 2.2 13.5 12.1 9.7 13.7 22.4 25.6 13.7 8.3 3.2 5.4 4.9 5.1 4.0 2.1 14.0 11.4 9.8 14.5 22.9 26.3 14.1 8.4 3.2 5.8 5.5 5.5 4.0 1.7 14.8 12.0

8.6 12.9 19.9 21.7 13.3 7.7 2.9 4.8 4.6 4.7 3.6 1.6 12.3 10.3

nevadensis 10.7 15.1 23.9 28.0 15.0 8.4 3.4 5.9 5.4 5.6 4.3 2.2 14.4 12.5 12.0 16.2 26.1 31.4 15.9 9.0 4.0 6.4 5.8 6.1 4.8 2.7 15.2 14.8 9.9 14.0 22.1 25.0 14.4 7.8 2.9 5.5 4.9 5.1 3.9 1.8 13.7 11.6

10.6 15.0 24.2 27.9 15.1 8.6 3.5 6.1 5.5 5.7 4.5 2.1 14.5 12.6 11.1 16.4 25.3 29.3 15.8 9.2 4.0 6.8 5.9 6.0 4.8 2.6 15.6 13.0 9.9 13.8 23.1 26.5 14.4 8.2 3.0 5.7 5.2 5.3 4.0 1.9 13.9 12.1

9.2 13.4 20.9 23.1 13.4 7.3 2.9 5.2 4.8 5.0 3.8 1.7 12.3 11.0 9.9 14.2 21.8 23.4 14.1 7.9 3.2 5.6 5.2 5.4 4.1 2.0 13.0 11.8 8.6 12.6 20.1 22.4 12.7 6.8 2.6 4.9 4.5 4.7 3.6 1.5 11.4 10.0