Til 10 I'KAIKiK iM()l;K. 



e()nipl(4ely separated niul widely oj)om ; tail pale brown or flesh 

 color. 



Measurements. — Average of five from Bloomington : Total 

 length, 172 mm. (6 14/16 in.) ; tail, 29 mm. (1 3/16 in.) ; hind foot, 

 26 mm. (1 in.). There is a variation in the series from 157 to 193 

 millimeters. 



Skull and teeth. — Th(^ skull (fig. 23) is the largest of any of the 

 moles. It is triangular in outline, with a broad, law, flat braincase, 



Fig. 2['>. — Skull of Scalops aqiuiticiis : a, lateral view ; b, dorsal view. After True, 

 Proc. U. S. Nat. Museum, Vol. 19. 



straight, slender zygomatic arches and tapering rostrum. The mid- 

 dle upper incisors are large, but, unlike those of the shrews, they 

 have no posterior heel. The two lateral incisors are very small, as 

 is the first premolar. The canine is about half as long as the mid- 

 dle incisors. IMolars with w-shaped crowns. The second lower in- 

 cisor is large and the lower canine is lacking. Bloomington skulls 

 vary from 36 to 41 mm. in greatest length, with an average of 38.5 

 mm. and an average breadth of 19.7 mm. 



Range. — This form is found throughout the upper IMississippi 

 Valley, closely related races being found to the east and south. In 

 Indiana it apparently occurs throughcmt the State, although the 

 following localities are the only ones from which there are reliable 

 records: Randolph County, Richmond, Brookville, Ohio County. 

 IMadison, Mitchell, Williams, New Harmony, Bloomington, Terre 

 Haute, Carroll County, Boone County, Tippecanoe County, Winona 

 Lake, Vaw^ter Park, Lagrange County. 



