438 Field Museum of Natural History — Zoology, Vol. XL 



''The nest of this species is of considerable size, formed of soft 

 grass, leaves, etc., the materials being sometimes carried by the moles 

 for several rods under ground. It is situated in a chamber from 6 to 10 

 and even 18 inches below the surface, and is commonly under a log or 

 stump, if in the woods. The chamber is approached by numerous 



S. a. mechrinus 



S. a. australis 



© 



S. anastaste 



^ULF OF I** 



---O -Mrea of intergradation 



Map illustrating the approximate distribution of the Moles belonging to the genus Scalopus in 

 eastern United States. 



Scalopus aquaticus (Linn^us). (Syst. Nat., X ed., I, 1858, p. 53.) Type lo- 

 cality — Eastern United States. Color grayish brown ; similar to machrinus, 

 but smaller and averaging slightly darker; total length about 6.50 inches. 



Scalopus a. machrinus (Rafinesque). Type locality — Lexington, Fayette Co., 

 Kentucky. Total length about 6.75 inches; description as previously given. 



Scalopus a. australis (Chapman). (Bull. Amer. Mus. Nat. Hist., V, 1893, p. 339.) 

 Type locality — Gainesville, Florida. Resembles aquaticus but is smaller and 

 slightly browner; total length about 5.50 inches. 



Scalopus anastascB (Bangs). (Proc. Bost. Soc. Nat. Hist., XXVIH, 1898, p. 212.) 

 Type locality — Anastasia Island, near St. Augustine, Florida. About size 

 of australis. but skull shorter and heavier; color golden brown. 



