American Weasels

Part 53

Chapter 535,068 wordsPublic domain

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 --------------------------------------------------------------------------------

perotae 11.7 15.9 25.0 29.2 15.5 6.8 2.5 6.1 5.3 5.8 4.1 2.1 15.5 13.3

10.3 14.0 23.2 25.5 15.0 7.0 2.0 5.7 5.2 5.7 4.1 2.1 12.0 13.7

goldmani 12.5 15.9 26.5 32.3 15.6 7.1 2.9 6.4 5.9 6.2 5.0 2.5 16.5 13.7 10.9 16.2 26.4 31.8 15.8 7.4 3.0 6.1 5.5 5.8 4.5 2.5 15.0 13.7 26.5 31.8 15.3 7.5 2.9 6.6 5.8 6.1 5.0 2.4 16.0 12.0 16.1 26.2 31.5 15.5 7.0 5.9 5.6 6.0 4.5 2.2 11.7 16.2 26.7 30.6 15.8 7.7 3.1 6.3 5.5 5.8 4.5 2.3 16.5 14.1 11.8 16.1 26.5 31.6 15.6 7.3 3.0 6.3 5.7 6.0 4.7 2.4 16.0 13.8

macrophonius 12.9 17.8 28.5 33.6 16.8 7.6 2.9 7.1 6.4 6.8 5.2 2.9 16.8 15.3

10.2 14.5 23.1 26.5 15.0 6.5 2.6 5.5 5.2 5.7 4.1 1.9 14.2 12.2

tropicalis 10.7 15.8 24.5 28.2 15.5 6.3 2.9 6.2 5.6 5.9 4.5 2.2 15.5 13.7

11.4 16.0 24.0 30.0 15.4 6.7 3.0 6.4 5.7 5.9 4.7 2.2 15.2 13.6 15.5 15.0 8.0 6.3 5.7 6.0 5.0 2.5 16.5 14.5

9.2 12.1 19.8 22.6 12.4 6.1 2.5 5.0 4.5 4.7 4.0 1.7 12.5 11.6 9.6 21.0 22.5 4.9 4.6 4.9 3.9 1.9 11.5 8.3 12.6 19.4 12.7 5.8 4.9 4.5 4.6 3.5 1.5 13.7 10.9 9.3 13.0 20.5 23.5 13.5 6.1 5.3 4.9 5.3 4.4 2.0 15.3 11.5

perda 11.1 15.3 24.4 28.5 14.9 6.6 2.2 6.4 5.5 6.0 4.6 2.5 16.4 13.8 12.0 15.5 24.0 27.4 14.5 6.7 2.8 5.5 5.1 5.4 4.2 2.2 15.8 13.0 10.6 16.0 6.4 5.5 6.0 4.5 2.5 13.0 11.2 15.6 24.2 28.0 14.7 6.7 2.5 6.1 5.4 5.8 4.4 2.4 16.1 13.3

9.4 13.5 20.2 23.2 13.0 5.6 2.1 5.2 4.8 5.0 3.7 1.7 13.2 11.4 9.1 13.2 21.2 23.0 13.7 6.5 2.1 4.8 4.7 5.2 3.8 1.9 14.2 10.8

nicaraguae 10.5 15.0 23.4 25.5 14.0 6.5 2.9 6.3 6.0 6.3 4.6 2.5 15.5 13.4 11.5 15.2 22.7 26.8 15.2 6.7 5.8 5.1 5.5 4.4 2.4 14.7 13.4 11.0 15.5 23.5 27.4 14.2 6.8 6.3 6.0 6.3 4.7 2.5 15.5 13.1

costaricensis 9.4 *18.0 26.0 30.5 15.0 7.5 6.5 5.9 6.4 5.0 2.6 16.7 14.2 12.7 16.9 25.9 31.3 15.3 7.3 2.9 6.6 6.0 6.5 4.9 2.5 16.8 15.1

11.7 16.0 24.8 29.0 15.0 7.2 2.7 7.0 6.0 6.5 4.8 2.9 16.5 14.0 11.7 15.5 24.3 *30.1 15.1 7.5 6.6 5.9 6.2 4.8 2.5

10.1 14.2 20.0 23.6 12.8 6.3 2.9 4.9 4.7 5.0 3.7 1.8 13.7 11.5

panamensis 12.5 15.7 25.1 28.3 14.1 7.0 2.7 6.3 5.7 5.9 4.5 2.5 16.7 14.0 12.0 15.0 22.5 29.1 14.4 6.1 2.7 6.2 5.7 6.0 4.5 2.3 16.0 13.5 12.0 15.5 27.1 13.6 5.5 6.1 5.4 5.7 4.3 2.2 15.8 13.5 12.2 15.4 23.8 28.2 14.0 6.2 2.7 6.2 5.6 5.9 4.4 2.3 16.3 13.7

10.4 14.3 23.0 26.8 12.5 6.1 5.7 5.3 5.5 4.1 2.1 15.5 12.5 9.4 12.5 20.1 22.5 13.0 6.0 5.0 4.6 5.0 3.7 2.0 13.2 10.8

TABLE OF CRANIAL MEASUREMENTS--_Continued_ =================================================================================

Key:

A Basilar length (of Hensel) B Length of tooth rows C Breadth of rostrum

Catalog Sex and Collection Number age Locality A B C ---------------------------------------------------------------------------------

Mustela frenata A. M. N. H. 33154 [M] ad. Mérida, Venezuela 44.3 16.7 14.2 U. S. N. M. 137517 [M] ad. Mérida, Venezuela 43.4 16.0 14.1 U. S. N. M. 172959 [M] ad. Mérida, Venezuela 44.0 16.5 14.1 A. M. N. H. 24309 [M] ad. Mérida, Venezuela 44.2 16.1 13.7 A. M. N. H. 33155 [M] ad. Mérida, Venezuela 42.3 16.7 13.8 av. 5 43.6 16.4 14.0

U. S. N. M. 123341 [M] sad. Mérida, Venezuela 43.5 16.9 13.8 U. S. N. M. 137516 [M] sad. Mérida, Venezuela 43.6 16.2 13.5 U. S. N. M. 143667 [M] sad. Mérida, Venezuela 15.4 12.5

U. S. N. M. 143666 [F] ad. Mérida, Venezuela 38.2 14.1 11.9 U. S. N. M. 143665 [F] ad. Mérida, Venezuela 36.4 13.4 11.5 A. M. N. H. 24308 [F] ad. Mérida, Venezuela 36.3 13.4 11.4 A. M. N. H. 24311 [F] ad. Mérida, Venezuela 37.7 13.9 11.4 av. 4 37.2 13.7 11.6

A. M. N. H. 21343 [F] sad. Mérida, Venezuela 37.3 13.6 11.1 A. M. N. H. 24310 [F] sad. Mérida, Venezuela 35.0 12.6 11.1

Mustela frenata U. S. N. M. 241314 [M] ad. Choachí, Colombia *46.0 17.4 13.6 U. S. N. M. 239946 [M] ad. Choachí, Colombia 16.1 12.7 A. M. N. H. 35805 [M] ad. Quetame, Colombia 45.5 16.6 13.7 av. 3 45.8 16.7 13.3

U. S. N. M. 241313 [M] yg. Bogotá, Columbia 44.7 16.7 13.9 U. S. N. M. 241315 [M] yg. Choachí, Columbia 45.1 16.7 13.5

Mustela frenata A. M. N. H. 34677 [M] yg. Gualea, Ecuador 45.6 17.6 14.0

Mustela frenata F. M. N. H. 24133 [M] ad. Rio Chinchao 44.0 16.4 14.5 F. M. N. H. 24132 [M] ad. Rio Chinchao 45.3 17.0 13.9

F. M. N. H. 24136 [F] ad. Huanuco, Perú 35.3 13.0 10.5 F. M. N. H. 24135 [F] sad. Ambo, Perú 36.1 13.6 10.9 F. M. N. H. 24134 [F] sad. Ambo, Perú 38.1 14.0 10.6

Mustela frenata B. M. 8.1.10.1 [M] ad. Lima, Perú 42.5 16.0 13.4

F. M. N. H. 21147 [F] ad. Macate, Perú 35.2 12.7 10.0 M. P. H. N. 565 [F] ad. Perú *36.0 12.6 10.7

Mustela frenata M. P. H. N. 561 [M] ad. Junín, Perú 45.5 16.6 14.0 M. P. H. N. 562 [M] ad. Junín, Perú 40.8 15.0 13.6 B. M. 26.2.1.2 [M] ad. Yana Mayo, Perú 42.6 15.9 13.0 U. S. N. M. 148528 [M] ad. Marcapata, Perú 16.0

M. P. H. N. 564 [F] ad. Cutervo, Perú *38.0 13.8 11.2

A. M. N. H. 60508 [M] ad. El Chiral, Ecuador 45.5 17.1 13.8 A. M. N. H. 61406 [M] sad. Guainche, Ecuador 48.2 17.3 14.5 N. H. R. S. 2 [M] ad. Panecillo, Ecuador 48.0 16.8 13.3 N. H. R. S. 5 [M] ad. San Antonio, Ecuador 44.0 16.3 14.0 N. H. R. S. 7 [M] ad. Carapungo, Ecuador 46.8 17.4 13.5 N. H. R. S. 14 [M] ad. Nára Papallacta, Ecuador 45.4 17.3 14.1

N. H. R. S. 10 [F] ad. Guapulo, Ecuador 37.9 13.5 11.3

Mustela frenata A. M. N. H. 72587 [M] ad. Nequejahuira, Bolivia 41.6 15.3 12.2 B. Z. M. 602 [M] yg. Limbaní, Perú 42.4 15.5 U. S. N. M. 137513 [M] yg. Limbaní, Perú 40.3 15.2

=================================================================================

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 --------------------------------------------------------------------------------

meridana 12.0 15.0 23.9 28.5 13.0 6.6 3.0 6.2 5.4 5.6 4.4 2.5 15.0 13.4 11.8 15.2 23.5 27.4 13.8 6.5 2.4 6.0 5.5 5.7 4.1 2.3 15.6 13.3 11.6 15.4 23.6 28.0 13.9 7.0 6.2 5.6 5.7 4.7 2.4 15.7 12.9 11.5 15.4 23.6 27.3 14.2 6.4 2.3 5.9 5.2 5.6 4.5 2.3 15.3 13.0 11.5 15.5 23.0 27.6 13.5 6.5 2.6 5.8 5.4 5.6 4.3 2.1 15.5 13.7 11.7 15.3 23.5 27.8 13.7 6.6 6.0 5.4 5.6 4.4 2.3 16.0 13.3

12.1 15.1 23.0 27.5 13.2 6.0 5.5 5.7 4.5 2.5 11.4 15.5 23.4 27.9 13.4 6.4 2.2 5.6 5.2 5.7 4.2 2.3 16.0 13.0 10.5 15.4 25.0 13.2 5.5 5.0 5.3 4.2 2.3 15.0 13.2

9.7 13.2 20.3 23.0 12.4 5.9 1.8 9.9 13.0 20.1 23.4 12.1 5.9 2.0 9.7 11.8 18.8 22.0 11.7 5.5 2.0 4.9 4.5 4.6 3.5 1.6 10.5 9.8 13.8 19.5 12.1 5.9 1.8 4.9 4.7 4.9 3.7 1.8 13.0 11.2 9.8 13.0 19.7 22.8 12.1 5.8 1.9

9.2 13.2 19.2 22.5 11.9 5.6 2.1 5.1 4.6 4.8 3.5 1.7 13.5 11.1 8.7 12.0 19.3 21.8 11.5 5.8 1.8 4.7 4.4 4.7 3.5 1.6 13.8 11.4

affinis 11.8 15.6 29.5 6.1 5.9 6.1 4.4 2.3 13.9 10.8 14.3 27.7 6.0 5.3 5.7 4.5 2.1 13.0 11.0 15.3 6.4 5.8 5.5 5.7 4.4 2.0 13.3 11.2 15.1 28.6 6.0 5.6 5.8 4.4 2.1 13.4

12.3 15.6 23.9 29.0 5.9 5.7 5.7 4.4 2.5 11.5 15.2 23.9 28.7 14.0 6.9 5.9 5.6 5.8 4.5 2.1 13.5

aureoventris 11.8 15.4 23.8 28.3 15.1 6.8 2.7 6.7 6.0 6.4 5.0 3.0 17.0 14.3

helleri 12.5 14.9 24.5 29.1 14.4 6.5 2.4 6.2 5.8 5.9 4.6 2.5 16.0 14.0 11.7 15.5 24.5 29.0 14.4 6.5 2.4 5.8 5.5 5.8 4.5 2.5 16.0 13.7

8.9 12.1 17.9 20.8 11.8 4.7 2.0 4.7 4.4 4.6 3.5 1.6 11.8 10.0 9.0 12.4 18.8 22.4 11.8 5.0 1.9 4.7 4.4 4.6 3.6 1.7 12.6 10.5 9.1 12.6 19.8 22.2 12.0 5.4 2.0 4.7 4.6 4.6 3.5 1.5 13.9 11.0

agilis 11.1 14.9 23.1 28.2 13.8 6.9 2.6 5.8 5.5 5.8 4.5 2.2 14.8 12.9

8.4 12.0 18.0 20.6 12.4 5.0 1.7 4.4 4.1 4.4 3.2 1.5 13.0 10.3 9.2 12.5 18.1 21.5 13.0 5.8 2.2 4.8 4.1 4.5 3.5 1.9 12.0 11.7

macrura 11.6 15.1 23.8 29.0 14.5 6.2 5.5 5.4 5.5 4.3 2.1 15.7 13.2 11.3 15.1 22.9 26.5 14.5 7.5 2.7 5.8 5.0 5.1 4.0 2.0 14.6 12.9 10.2 15.0 21.8 26.2 13.5 7.0 2.5 5.8 5.5 5.6 4.4 2.3 14.6 12.3 14.5 5.7 5.0 5.2 4.3 2.1

9.5 13.0 18.1 *23.0 4.9 4.6 4.9 3.6 1.9 11.7

11.5 14.5 24.2 23.2 15.0 7.0 2.3 5.9 5.6 6.0 4.8 2.6 16.4 13.8 12.3 15.7 25.6 30.3 15.6 7.2 3.0 6.1 5.2 5.4 4.5 2.3 15.7 13.9 14.8 14.5 7.0 6.0 5.4 5.7 4.3 2.2 11.9 14.8 23.5 28.0 14.2 7.0 2.9 5.8 5.1 5.4 4.3 2.1 16.8 14.1 11.1 14.9 23.7 29.0 14.6 7.0 2.9 6.2 5.8 6.2 4.5 2.3 16.0 14.2 12.6 15.8 24.5 29.9 14.3 7.1 2.6 6.1 5.4 5.6 4.3 2.5 17.5 9.5

9.5 12.7 19.7 22.5 12.4 5.9 2.0 5.1 4.5 4.7 3.7 1.7 12.9 11.3

boliviensis 10.0 14.7 22.2 25.0 13.4 7.4 2.2 5.3 5.0 5.2 4.4 2.2 14.8 12.4 5.5 5.0 5.4 4.2 2.2 5.1 4.8 5.1 3.9 1.9

TABLE OF CRANIAL MEASUREMENTS--_Continued_ =================================================================================

Key:

A Basilar length (of Hensel) B Length of tooth rows C Breadth of rostrum

Catalog Sex and Collection Number age Locality A B C ---------------------------------------------------------------------------------

Mustela africana A. M. N. H. 374.75 [M] sad. Pará, Brazil 47.8 17.2 14.3 B. M. 5.1.25.1. [M]? sad. Pará, Brazil 44.9 16.4 13.0 B. M. 26.1.8.10. [M]? ad. Pará, Brazil 44.6 16.4 13.3

Mustela africana B. M. 24.12.12.24. [F] ad. Moyobamba, Perú 45.8 16.9 13.5 M. P. H. N. 563 [F] ad. Yurimaguas, Perú 17.5± A. M. N. H. 61813 [F] yg. Val. d. Perené, Perú 44.6 16.0 13.0

Mustela erminea M. C. Z. 10012 [M] ad. Pt. Barrow 43.3 15.9 15.2 F. M. N. H. 35894 [M] ad. Pt. Barrow 41.8 15.6 15.3 A. N. S. P. 6909 [M] ad. Pt. Barrow 42.3 15.1 14.8 A. N. S. P. 6910 [M] ad. Pt. Barrow 16.2 16.0 N. M. C. 2445 [M] ad. Salirochet River 42.8 15.7 15.4 av. 5 42.5 15.7 15.3

F. M. N. H. 35895 [F] ad. Pt. Barrow 35.4 13.1 12.7 M. V. Z. 43286 [F] ad. Pt. Barrow 35.4 12.9 12.0 U. S. N. M. 243489 [F] sad. Alatna River 37.0 13.4 11.9 U. S. N. M. 243493 [F] sad. 16 mi. below Bettles 36.2 13.0 12.0 U. S. N. M. 180459 [F] ad. N. Fk. Kuskokim 35.3 12.9 11.2 U. S. N. M. 242205 [F] ad. Fairbanks 34.5 12.4 11.5 U. S. N. M. 157306 [F] sad. Bear Creek 36.9 13.5 12.6 U. S. N. M. 157305 [F] sad. Bear Creek 35.2 12.5 11.4 av. 8 35.8 12.9 11.8

Mustela erminea M. C. Z. 29831 [M] ad. Ymer Is. 41.6 15.6 15.3 C. Z. M. 1245 [M] ad. Danmarks Havn. 40.7 15.0 14.7 C. Z. M. 1246 [M] ad. Danmarks Havn. 39.0 14.1 13.8 C. Z. M. 1247 [M] ad. Danmarks Havn. 41.0 15.2 14.5 C. Z. M. 1248 [M] ad. Danmarks Havn. 42.3 15.5 15.5 C. Z. M. 1249 [M] ad. Danmarks Havn. 42.2 15.8 15.0 C. Z. M. 1871 [M] ad. Scoresby Sd. 42.4 15.3 15.3 av. 7 41.3 15.2 14.9

C. Z. M. 1060 [F] ad. Turner Sd. 35.9 13.0 12.5 B. Z. M. 43965 [F] ad. Kap Hoegh 37.8 13.4 12.7

Mustela erminea C. M. 6688 [M] ad. Prairie Point *39.9 14.5 13.5

average} {37.5 13.8 13.1 maximum} [M] 1 ad. and Southampton Isl. {39.9 14.5 13.5 minimum} 10 sad. {35.7 13.1 12.6

C. M. 8474 [F] ad. Minnimunnek Pt. 32.6 11.9 11.3

average} {34.2 12.4 11.7 maximum} [F] 1 ad. and Southampton Isl. {35.1 13.0 12.7 minimum} 4 sad. {32.6 11.9 11.3

Mustela erminea U. S. N. M. 107496 [M] ad. Kadiak 43.2 15.4 14.9 F. M. N. H. 7290 [M] ad. Kadiak Id. 42.1 14.9 14.0

U. S. N. M. 98042 [F] ad. Kadiak 33.0 12.0 10.2

=================================================================================

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 --------------------------------------------------------------------------------

africana 12.9 15.4 26.4 32.2 16.9 8.2 2.8 6.6 5.8 6.2 4.7 2.4 17.8 14.9 10.2 14.2 23.3 26.8 14.4 7.0 2.7 5.9 5.4 5.5 4.5 1.8 16.4 13.7 10.9 14.4 24.4 29.4 14.4 6.7 2.5 6.0 5.6 5.7 4.5 1.8 15.5 13.6

stolzmanni 12.0 14.6 23.5 28.8 14.5 6.2 2.6 5.9 5.4 4.9 4.3 1.8 16.5 13.9 6.0 5.8 5.6 4.4 2.3 11.0 15.4 24.1 28.9 15.7 7.0 2.8 6.2 5.6 5.9 4.5 2.2 16.8 13.4

arctica 12.0 16.2 23.5 27.6 15.5 8.4 5.6 5.1 5.1 3.9 2.0 13.3 13.2 13.3 16.0 23.2 27.6 15.1 8.5 6.0 5.2 5.3 4.0 2.2 14.1 13.5 11.6 15.3 22.9 26.2 15.2 8.4 5.9 5.1 5.3 4.1 2.4 14.5 12.5 12.7 16.7 5.7 5.4 5.7 4.3 2.1 13.0 16.0 23.5 28.5 15.2 8.0 5.6 5.0 5.2 4.0 2.0 14.3 13.3 12.5 16.0 23.3 27.5 15.3 8.3 5.8 5.2 5.3 4.1 2.1 14.1 13.1

10.3 13.3 19.3 23.0 12.7 7.2 5.0 4.5 4.8 3.5 1.7 12.0 10.5 10.0 13.2 18.8 21.8 12.6 6.7 4.6 4.2 4.3 3.2 1.8 11.4 10.3 9.4 13.5 19.4 22.0 13.2 7.2 4.7 4.3 4.5 3.3 1.7 11.9 10.6 9.4 13.0 19.1 21.8 12.9 7.2 5.0 4.2 4.5 3.3 1.8 11.9 10.3 8.8 12.8 18.9 20.7 12.7 7.0 4.7 4.3 4.5 3.3 1.8 10.5 9.7 9.3 13.0 18.0 12.7 6.8 4.8 4.3 4.5 3.3 1.7 11.8 10.2 9.5 13.6 18.7 20.9 13.0 6.9 4.8 4.4 4.5 3.3 1.8 11.4 10.2 9.6 12.8 17.8 20.5 12.6 6.3 4.8 4.2 4.4 3.3 1.6 11.2 10.1 9.3 13.1 18.7 21.2 12.9 6.9 4.8 4.3 4.5 3.3 1.7 11.5 10.2

polaris 12.0 13.0 22.3 26.1 14.8 8.0 5.8 5.2 5.7 4.1 2.2 13.7 12.3 11.9 14.9 22.3 25.5 14.6 7.8 5.9 5.1 5.6 3.9 2.0 13.4 12.2 10.9 14.2 21.3 24.7 14.5 7.3 5.3 4.8 5.0 3.7 1.9 12.0 11.2 11.5 14.4 22.3 26.7 14.4 7.6 5.7 5.1 5.5 4.1 2.0 13.1 12.1 12.0 15.3 23.2 27.9 15.1 8.1 5.8 5.5 5.8 4.0 2.3 13.8 12.8 12.2 15.1 23.2 28.0 15.2 8.1 5.9 5.2 5.7 4.2 2.3 13.7 12.4 12.3 15.6 15.4 8.3 5.7 5.1 5.3 3.9 2.0 14.4 12.8 11.8 14.9 22.4 26.5 14.9 7.9 5.7 5.2 5.5 4.0 2.1 13.4 12.3

10.1 12.9 19.6 22.6 13.6 7.1 5.0 4.5 4.7 3.6 1.7 12.3 10.3 10.4 13.2 19.3 22.4 13.9 7.0 4.8 4.2 4.5 3.7 1.8 12.1 10.9

semplei 11.5 14.6 21.5 24.8 14.1 7.9 5.0 4.6 4.7 3.6 2.0 14.0 11.6

10.6 13.8 20.2 23.6 13.6 7.2 5.1 4.7 4.9 3.6 2.0 13.4 11.0 11.5 14.8 21.5 24.8 15.0 7.9 5.3 4.9 5.0 3.7 2.3 14.0 11.6 9.7 12.7 19.2 22.2 12.9 6.4 4.8 4.4 4.5 3.4 1.8 12.3 10.5

9.2 12.2 18.5 21.2 12.2 6.6 4.4 3.9 4.2 3.0 1.5 11.9 9.8

9.5 12.6 18.8 20.9 12.8 6.7 4.5 4.1 4.3 3.1 1.6 12.1 10.1 9.9 13.1 19.4 21.5 13.4 7.0 4.3 4.3 4.5 3.3 1.7 12.4 10.4 9.2 12.2 18.1 20.1 12.2 6.6 4.6 3.9 4.2 3.0 1.5 11.9 9.6

kadiacensis 11.1 14.9 22.1 26.0 15.1 7.6 5.5 5.1 5.1 3.8 2.0 14.0 12.2 10.9 14.4 21.6 26.0 14.1 7.1 5.7 5.2 5.2 3.8 1.7 13.5 11.5

8.0 11.3 16.9 19.4 11.5 6.0 4.4 4.0 4.0 2.8 1.4 11.5 8.9

TABLE OF CRANIAL MEASUREMENTS--_Continued_ =================================================================================

Key:

A Basilar length (of Hensel) B Length of tooth rows C Breadth of rostrum

Catalog Sex and Collection Number age Locality A B C ---------------------------------------------------------------------------------

Mustela erminea average} {40.9 14.3 12.5 maximum} [M] ad. 6 3 mi. S Big Isl. {43.7 15.0 13.2 minimum} {39.6 13.8 11.7

average} {40.2 14.1 12.2 maximum} [M] sad. 7 3 mi. S Big Isl. {41.5 14.7 12.6 minimum} {38.4 13.6 12.0

U. S. N. M. 136112 [F] ad. Willow River 33.0 11.5 8.8 M. C. Z. 242866 [F] sad. 3 mi. S Big Isl. 32.3 11.0 9.0 U. S. N. M. 129703 [F] ad. Ft. Resolution 34.2 12.0 10.4 U. S. N. M. 110682 [F] sad. 15 mi. above Smith Landing 33.8 11.3 9.8 U. S. N. M. 235959 [F] ad. Athabasca Delta 33.1 11.7 9.3 M. C. Z. 18776 [F] ad. Athabasca Delta 31.5 10.8 8.9 av. 6 33.0 11.4 9.4

Mustela erminea M. V. Z. 53789 [M] ad. Ogdensburg, N. Y. 36.6 12.9 11.5 U. S. N. M. 32240/44066 [M] sad. Amsterdam, N. Y. 36.7 12.9 11.5

A. M. N. H. 67869 [M] ad. Berlin, N. Y. 36.2 12.5 10.2 A. M. N. H. 67868 [M] ad. Berlin, N. Y. 34.8 12.1 9.8 A. M. N. H. 15841 [M] ad. Schoharie, N. Y. 33.8 11.7 9.7 Cornell 494 [M] sad. Cascadilla Creek, N. Y. 34.8 12.2 10.4 C. M. 7461 [M] sad. Pymatuning Swamp 34.2 12.0 9.6 C. M. 10264 [M] sad. 3-1/2 mi. W Linesville 37.6 13.2 11.0 M. V. Z. 53788 [M] sad. Lopez, Penn. 36.5 12.6 10.7 av. 9 35.7 12.5 10.5

U. S. N. M. 135570 [F] ad. Lake George 33.3 11.8 9.3 B. S. N. 994 [F] sad. Cattaraugus 31.4 10.8 9.2 C. M. 7460 [F] sad. Pymatuning Swamp 32.0 10.9 9.2 C. M. 10252 [F] sad. 3 mi. NW Linesville 32.7 11.2 9.5 av. 4 32.4 11.2 9.4