744 
EXPLANATION OF THE PLATES. 
PLATE XXXIII. 
Page. 
Fig. —Vulpes macrourus, Baird.—Great-tailed fox, adult female.—No. 1325.—Fort 
Kearney, Nebraska..... ^30 
Skull natural size.—Figs. 1-5, as in plate XXXI. 
PLATE XXXIV. 
Fig. —Vulpes velox .—Kit fox.—No. 1345.—F*ort Kearny, Nebraska.,.. 133 
Skull unusually large; natural size ; figs. 1-5, as in plate XXXI. 
PLATE XXXV. 
Fig. 1 —Vulpes (JJrocyon) virginianus .—Gray fox.—No. *1*11 .—Perry county, Penn ... 1 
Skull natural size ; a —skull from below ; b —skull from above; c —skull 
from tbe side ; d —side of lower jaw ; e —lower jaw from above. 
Fig. 2 —Vulpes ( Urocyon ) littoralis, Baird.—Coast fox.—No. 2154.—San Miguel, Cali¬ 
fornia... 143 
Skull natural size ; a-e, as in fig. 1. 
PLATE XXXVI. 
Fig. 1 —Mustela pennantii, Erxl.—Fisber.—No. 1013.—St. Lawrence county, New 
York. 149 
Ratber young ; skull natural size. Tbe under view of tbe skull exhibits 
tbe transverse ridges of tbe skin of tbe palate, dried against tbe bone; 
a-e, as in plate XXXV. 
Fig. 2 —Mustela americana, Turton.—American sable,—No. 1668.—Essex county, 
New York... 152 
Skull natural size. View of bead from above to sbow its narrow, elongated 
shape, as compared with fig. 1 on next plate. 
Fig. 3 —Putorius noveboracensis, De Kay.—White weasel.—No. 624.—Carlisle, Pa. 166 
Male ; figs, a-e as in plate XXXV. 
PLATE XXXVII. 
Fig. 1 —Mustela americana, Turton.—American sable.—No. 1163.—Essex county, 
New York. 162 
Skull natural size ; a-e as in plate XXXV. 
Fig. 2 —Putorius vison. —Mink.—No. 753.—Carlisle, Penn. 177 
Very old skull; natural size ; references as in preceding. 
Fig. 3 —Putorius vison. —Mink.—No. 718.—Carlisle, Penn.. 177 
Immature skull with tbe milk teeth. References as in preceding. 
PLATE XXXVIII. 
Fig .—Lutra canadensis, Sab.—Otter.—Washington, D. C... 184 
Adult skull.—Natural size. References as in Plate XXXI. 
