SOREX. 



549 



many have been given even a subspecific rank. Increased knowledge 

 and more familiarity with series of specimens will eventually correct 

 whatever errors have been committed. 



1O9. Sorex. Common Shrews. 



Sorex Linn., Syst. Nat., i, 1758, p. 53; i, 1766, p. 73. Type Sorex 



araneus Linnaeus. 

 Anotus Wagn., Suppl. Schreib. Saugth., v, 1855, p. 550. (nee 



Rafin., 1815, Rodentia.) 



Ear conch well developed; tail long; inner side of canine and 

 incisor without secondary cusps; braincase rather broad; mandible 

 fragile; feet without fringe. 



FIG. 102. SOREX GRINDS. 



No. 10843 Field Columbian Mus. Enlarged 2% times. 

 Tooth rows enlarged 7 times. 



KEY TO SPECIES AND SUBSPECIES. 

 A. Size small; total length, 105 mm. or less. PAGE 



a. Beneath ashy gray 5. orizabce 550 



b. Beneath drab S. oreopolus 550 



c. Beneath chestnut 5. obscurus ventralis 550 



d. Beneath seal brown. 



a/ Rump dark sepia brown 5. salvini 551 



