738 
EXPLANATION OF THE PLATES. 
PLATE IX. (47th and 35th parallels.) 
Page. 
Fig. 1 —? Dipodomys agilis, Gramhel.. 414 
Fig. 2 —Neotoma occidentalis, Cooper.—Bush-tailed rat.—Shoalwater Bay. . 496 
PLATE X. (41st and 47th parallels.) 
Fig. 1 —TJiomomys rufescens, Max.—Gropher.—Fort Pierre, Neh. 397 
Fig. 2 —Geoniys castanops, Lee.—Gopher.—Bent’s Fort. 384 
PLATE XI. (35th parallel.) 
Fig. 1 —TJiomomys bulbivorus .—California gopher. —San Francisco. 389 
a —view of soft parts of mouth; b —under view of left fore foot; c—side 
view ; and d —under view of the longest claw ; e —under view of the left 
hind foot. 
PLATE XII. (35th parallel.) 
Fig. 1 —TJiomomys laticeps, Baird.—Gopher.—Humboldt hay, California. 392 
1. a —under view of left fore foot; 1. b —side view, and 1. c—under view of 
its longest claw ; 1. d —under view of left hind foot. 
Fig. 2 —TJiomomys fulvus. —Gopher.—San Francisco Mountains. 402 
Keferences to details same as the preceding. 
PLATE XIII. (35th parallel.) 
Fig .—Lepus audubonii, Baird.—California rabbit.—California. 608 
PLATE XIV. (35th parallel.) 
Fig .—Lepus troiobridgii, Baird.—California. 610 
PLATE XV. (47th parallel.) 
Fig .—Lepus loasJiingtonii, Baird.—Bed hare.—Washington Territory... 583 
PLATE XVI. (35th parallel.) 
Fig .—Antilocapra americana, Ord.—Prong-horn antelope, young male.—Texas.— 
The figures drawn from a living animal brought to Washington. 666 
PLATE XVII. 
Fig. 1 —Scalops aquaticus. —Mole.—Carlisle, Pa.—Drawn from an alcoholic specimen 60 
a —view of muzzle from below ; b —view of muzzle from above ; c—view of 
muzzle from the side ; d —under surface of left palm ; e—upper surface 
of hind foot; f —tail, showing the naked portion. 
Fig. 2 —Scalops toivnsendii, var. californicus —California mole.—San Francisco.—From 
dry skin. 65 
a —muzzle from above ; b —muzzle from below ; c—under surface of palm ; 
d —under surface of hind foot; e —tail. 
