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Show 330 Measurements of forty- six skulls of MUSTELA AMSRICANA. Locality. Remarks. 6043 6049 6085 6047 6044 6051 6048 6046 9099 7159 7167 7168 7164 7163 6081 6080 6063 6059 3S85 4670 4668 4664 466d 4666 4675 4674 .4667 4673 4681 1668 1163 3819 8818 2245 541 550 549 552 553 543 545 544 Yukon River.... do do do do do do , do Kenai, Alaska... Fort Good Hope. do do do do Peel River . do. do RedRiver Lake Superior ( north shore) . do do do do do do do do do Washington Territory do . do., . do. Essex County, ISew York . . . . . . do do do Saranac Lake, New York . Umbagog Lake, Maine do do do do. do do do 3.55 3.50 X45 3.37 3.30 3.00 3. S8 3.28 a 30 3.37 3.35 3.85 3.95 a 15 3.50 137 3.35 a 35 3.40 133 a 18 a is a 16 a is 3.15 3.15 3.10 a 13 aos a 23 a is a 03 a oo aio aos a oo 3.92 a 03 a 10 a oo a oo aoo a oo 2.90 2.92 8.73 2.15 L85 L83 1.82 1.85 L73 1.89 3.03 3.05 L98 1.93 1.76 1.73 3.02 2.12 1.94 1.75 1.65 1.65 1.65 1.87 1.83 1.85 1.89 1.65 1.83 1.90 1.73 1.55 1.57 1.63 1.68 1.50 1.68 1.85 1.70 1.73 1.72 1.78 1.73 1.68 1.50 Imperfect. Imperfect Do. Rather young. Do. Do. ^? TAXIDEA AMERICANA. The subjoined measurements of eleven skulls of this species ( embracing all at present available) show also a well- marked southward decrease in size. A fuller series would be more satisfactory, but would doubtless only confirm what. is here indicated. Six of the specimens are from rather northern localities and five from rather southern localities, the region represented extending from the Upper Missouri southward to the Lower Eio Grande. The specimens composing the two series are of very nearly corresponding ages. The northern series ( four from different points on the Upper Missouri, one from Iowa, and one from Oregon) average 5.00 in length and 3.18 in width, the extremes being, in length, 5.22 and 4.92 ( 4.75 if we include one rather young example), the width ranging from 3.50 to 2.97. The southern series ( including two or three from the vicinity of Matamoras, Mexico, and one each from New Mexico and California) averages 4.62 in length and 2.92 in width, the extremes being, in length, 4.75 and 4.50, and in width, 3.07 and 2.80. The skulls, and especially the molar teeth, in the American Badgers, vary considerably in different individuals, as long since pointed out by |
