49 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. III. 



PAGE. 



Spermophilus tridecemlineatus olivaceus. Allen 100 



Spermophilus tridecemlineatus parvus. Allen 100 



Spermophilus tridecemlineatus alleni. Merr 101 



Spermophilus tridecemlineatus texensis. Merr 101 



Spermophilus tridecemlineatus badius. Bangs 101 



138. Spermophilus franklini. (Sabine.) 101 



41. Cynomys. Rafin., 1817. 



139. Cynomys ludovicianus. (Ord.) 102 



140. Cynomys gunnisoni. Baird 103 



141. Cynomys lewisi. Aud. and Bachm. 104 



142. Cynomys arizonensis. Mearns 104 



42. Arctomys, Schreb., 1792. 



143.' Arctomys monax. (Linn.) 105 



Arctomys monax ignavus. Bangs : 105 



Arctomys monax canadensis. (Erxl.) 106 



144. Arctomys pruinosus. Gmel 106 



145. Arctomys flavi venter. Aud. and Bachm 106 



Arctomys flaviventer avarus. Bangs 427 



146. Arctomys dacota.HMerr 106 



147. Arctomys olympus. Merr 107 



Sub. Fam. II. Pteromyinae. 

 43. Sciuropterus. F. Cuv., 1825. 



148. Sciuropterus sabrinus. (Shaw.) 107 



Sciuropterus sabrinus macrotis. Mearns 108 



Sciuropterus sabrinus silus. Bangs 108 



149. Sciuropterus volans. (Linn.) 109 



Sciuropterus volans querceti. Bangs 109 



Sciuropterus volans alpinus. Rich 109 



Sciuropterus volans lascivus. Bangs 428 



Sciuropterus volans calif ornicus. Rhoads ... no 



Sciuropterus volans oresjonensif. Bachm no 



Sciuropterus volans olympicus. Elliot no 



Sciuropterus volans fuliginosus. Rhoads m 



Sciuropterus volans klamathensis. Merr m 



150. Sciuropterus stephensi. Merr 1 1 1 



