12 
Sciurus hudsonius, Pallas. Red Squirrel. 
Sciurus Southern Fox Squirrel. 
Sciurus cinereus, Linn. Fox or Cat Squirrel of Middle 
States. 
Sciurus carolinensis, Gmelin. Gray Squirre, 
Bter o m ys voluceUa^CuY. Flying Squirrel. 
.<rp fences Cran. 
896. » 
Cran. 
/ y 
X 
0361 .' 
Cran. 
/f*f V 
Cran. 
974,, 
1 398. 
Cran. 
1312, 
1313., 
Cran. 
1433 . 4 
Cran, 
217, ^ 
218, > 
835, > 
903, * 
904. v 
Cran. 
z/s-r* 
Cran. 
219. - 
Cran. 
1358. 
Cran. 
978. 
Skel. 
561. v 
Skel. 
1362. - 
Skel. 
1363. ' 
Skel. 
Pter^arys volucella -Oregon e n s is- -fiBrcdr ) . Oregon Flying 
Squirrel. 
Tamias striatus (Linn.). Chipmunk. 
Tamias quadrivittatus (Say), Rich. Four-striped Squirrel. 
Tamias lateralis (Say), Allen. Rocky Mountain Chipmunk. 
Spermophilus grammurus (Say), Bach. Line-tail Squirrel. 
Skel. Spermophilus tridecem-lineatus (Mitch.), Aud. and Bach. 
1311. v Striped Prairie Squirrel. 
/ • 
Skel. Spermophilus richardsoni (Sabine), Bd. Richardson's 
^ Gopher. __ 
Skel. Cynomys ludovicianus (Ord.), Bd. Prairie Dog. 
905,' 
1409, ' 
1410. ^ 
Skel. Cynomys columbianus (Ord.), Allen. Short-tailed Prairie 
1352.'/ Dog. 
Sub-Family Arctomyinae : Woodchucks. 
Skel. Arctomys monax, Linn. Woodchuck. 
1205., 
Skel. Arctomys flaviventer, Aud. and Bach. Yellow-bellied Mar- 
mot. 
Family Hystricid^e : Porcupines. 
Skel. Erethizon dorsatus, Cuvier. Porcupine. 
