742 
EXPLANATION OF THE PLATES. 
Page. 
Fig. 2 —Cervus columbianus, Kich.—Black-tailed deer, female.—No. 1192.—San Fran¬ 
cisco, Cal. 659 
a —side view, and 1 )—under surface of left fore foot; c—side view, and d — 
under surface of left hind foot. 
PLATE XXIV. 
Fig. 1— Cervus virginianus, Bodd.—Virginia deer.—New York. 643 
c—side view of hind foot; d —under view of hind foot. 
Fig. 2 —Cervus raexicanus, Gm.—Sonora deer, female.—Sonora. 658 
a —side view, and h —under surface of left fore foot; c—side view, and d — 
under surface of left hind foot. 
PLATE XXV. 
Fig.— Antilocapra americana. —Antelope... 666 
Figures of various horns of the American antelope, (mostly of the right 
one,) one showing the inner side, the other, the same horn viewed from 
behind, and exhibiting not only the outline, but the angle of inclination 
with tJie skull; these views are marked respectively a and h. Views of 
horns of the European chamois are added to illustrate the differences. 
The numbers used are those of the Smithsonian osteological catalogue. 
Fig.— Antilocapra americana, Ord.—Antelope.—No. B—Male, Upper Missouri. No. 
1912—Young male, Fort McKavit, Texas, (from thespecimen figured on 
Plate XVI.) No. 963—Fort Union, Nebraska. No. 1081—San Elizario, 
Texas. No. 655—Fort Union, Neb. No. 2471—Fort Chadbourne, 
Texas. No. 890—Laramie Peak. No. C—Upper Missouri. D—Diagram 
showing the inclination of horns with the vertical plane of the skull. 
Fig. —Capella rupicapra .—Chamois.—No. 1854.—Switzerland. No. 882, female.— 
Tyrol. 
PLATE XXVI. 
Figures of Soricidae, with views of the skulls magnified three diameters. 
Neosorex navigator, Cooper.—No. 629.—Vancouver, Oregon Territory._ 11 
Sorex troivbridgii, Baird.—Astoria? Oregon Territory. 13 
Sorex vagrans. Cooper.—No. 1675.—Shoalwater bay, Oregon Territory. 15 
Sorex cooperi, Bach.—No. 2047.—West Northfield, Illinois. 27 
PLATE XXVII. 
Figures of Soricidae, with views of the skulls magnified three diameters. 
Sorexpachyurus, Baird.—No. 1674,—Pembina, Minn. 20 
Sorex sucUeyi, Baird.—No. 1677.—Steilacoom, Washington Territory. 18 
Sorex thompsoni, Baird.—No. 1686.—Burlington, Vermont. 34 
Sorex hay deni, Baird.—No. 1685.—Fort Union, Nebraska... 29 
