EXPLANATION OF THE PLATES. 
745 
PLATE XXXIX. 
Fig. 1— Taxideaberlandieri, Baird.—Mexican badger.—No. 1391.—Matamoras, Mexico. 
Mature skull. Natural size. References as in Plate XXXV. 
Fig. 2— Taxidea labradoria .—Missouri badger.—No. 1178.—Bois de Sioux, Neb. 
Under view of left side of upper jaw, to show the differences from T. 
berlandieri. 
Fig. 3— Mephitismesoleuca, Licht.—White-backed skunk.—No. 1886.—Western Texas. 
Very old skull; the sutures all obliterated and the teeth much worn. 
References as in fig. 1. 
PLATE XL. 
Fig.— Procyon hernandezii, Wieg.—Black-footed racoon.—No. 1875.—Bodega, Cal¬ 
ifornia.. 
Rather immature skull, the posterior portion wanting. References as in 
Plate XXXI. 
PLATE XLI. 
Fig,— Ursus horribilis, Ord.—Grizzly bear.—No. 1219.—Pacific coast. 
Very old skull. Figs. 1-5 as in Plate XXXI. All about one-third 
natural size. Fig. 6, left upper teeth from outside. Fig. 7, left upper 
teeth from below. Fig. 8, left lower teeth from outside. Fig. 9, left 
lower teeth from above. 
PLATE XLII. 
Fig,— TJrsus horribilis , Ord.—Grizzly bear.—No. 1220.—Pacific coast. 
Rather immature skull; the deciduous teeth just shed. References as in 
Plate XLI, except that figs. 1—5 are half natural size. 
PLATE XLIII. 
Fig. 1-9— Ursus arctos, L.—Brown bear.—No. 1033.—Sweden. 
Marked two years old. About the same age as the skull on the preceding 
plate. References as in Plate XLI, except that figs. 1-5 are one half 
natural size. 
Figs. 10-13— Ursus americanus, Pallas.—Black bear.—No. 1154.—Prairie Mer Rouge, 
Louisiana. 
Teeth of natural size. Fig. 10, left upper teeth from outside; fig. 11, 
left upper teeth from below ; fig. 12, left lower teeth from outside ; fig. 
13, left lower teeth from below. 
PLATE XLIV. 
Fig.— Ursus maritimus, L.—Polar bear.—No. 903. Greenland. 
Adult skull. References as in Plate XLI; figs. 1-5 one-third natural size. 
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