Part 105

U. S. N. M. 13770/37149 yg. San José, Costa Rica 48.2 18.0 14.0 N. H. R. S. 1-138 ad. Azahar Cartago, Costa Rica 47.8 17.4 14.9

B. Z. M. A 59.13 sad. Irazú, 3000M., Costa Rica 38.8 14.4 12.5

Mustela frenata M. C. Z. 10112 ad. Boquete, Panamá 48.3 17.1 15.0 A. M. N. H. 18848 ad. Boquete, Panamá 44.5 16.3 14.0 M. C. Z. 10113 ad. Boquete, Panamá 42.8 15.8 14.0 av. 3 45.2 16.4 14.3

U. S. N. M. 170970 sad. near Gatún, Panamá 41.3 15.3 12.5 A. N. S. P. 18434 ad. Siola, Panamá 39.3 14.2 11.3

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

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