MAMMALS 



259 



3. Condylura Illiger. Dentition 3/3,1/1,4 /4, 3 12, ; snout terminat- 

 ing with a disc bearing on its margin a fringe of 22 long processes, 11 on 

 each side; nostrils in the anterior surface of the disc; tail long, covered 

 with coarse hair; digits not webbed: i species. 



C. cristata (L.). Star-nosed mole (Fig. 143). Body blackish; 

 length 185 mm.; tail 65 mm.; hind foot 28: southern Labrador to south- 

 eastern Manitoba; southward to central Ohio and Indiana west of the 

 Alleghenies and to Georgia on the Atlantic slope; in wet meadows and 

 marshes, frequently leaving its burrows and running on the surface; not 

 common; annual litter of 5 young. 



4. Scapanus Pomel. Dentition 2,li, i/i, aIa> 

 2)lz\ nostrils crescentic in shape, superior in 

 position; tail short, thick, scantily haired; digits 



Fig. 142. — Fore foot of Parascalops Fig. 143. — Snout of Condylura cristata 



breweri {from Jackson). {from Jackson). 



not webbed: several species, all on the Pacific slope, where they 

 take the place of Scalopus in the eastern States and have similar habits. 



Key to the Species of Scapanus 



ai Unicuspid teeth evenly spaced and not crowded (Fig. 144) ; color 

 very dark. 



bi Length more than 200 mm S. townsendi. 



ho Length less than 200 mm S. orarius. 



ao Unicuspid teeth unevenly spaced and crowded (Fig. 144); color 



usually brown or gray, seldom black S. latimanus. 





a b 



Fig. 144.— Lower jaw of (a) Scapanus towsendi and (&) 5. latimanus {from Jackson). 



S. townsendi (Bachman) (Fig. 144). Body of large size and blackish 

 in color; length 225 mm.; tail 41 mm,; hind foot 26 mm.: northwestern 

 California, Oregon and Washington, between the Cascades and the 

 Coast Range; common; annual litter of i to 4 young. 



