22 



EEVISION OF AMERICAN MOLES— TRUE. 



Average dimensions of fresh specimens (from J. A. Allen): Male, 

 total length, 141 mm.; tail, 25 mm.; hind foot, 17.8 mm. Female, total 

 length, 137 mm.; tail, 23 mm.; hind foot, 16.5 mm. 



Average dimensions of skull (10): Total length, 30.9 mm.; greatest 

 breadth, 16.7 mm.; length of superior tooth row, 13.9 mm. 



Type-locality. — Given by Dr. J. A. Allen as Presidio County, Texas, 

 but believed to be Aransas County. 



JDistribution. — Coast of Texas. 



DESCRIPTION OF SPECIES. 



Body fusiform. Fore legs enveloped in the integument of the body 

 as far as the wrists, and the hind legs to the middle of the tibiie. Palm 



SNODT OF SCALOPS ACJl'ATICUS. 



Fig. 4, Upper surface. Fig. 5, Lower surface. Fig. 6, Side view. 



(One and one. third times natural size.) 



equal to the sole in length, but two and a half times as broad as the 

 latter. Snout moderately elongated (extending in adults about 10 mm. 

 beyond the ui)per incisors), depressed, naked on top as far back as 

 the line of the anterior incisors. Nostrils superior, about 2 mm. long. 



PORE FOOT OP SCALOPS AQUATICUS. 



Fi_'. 7, Lower surface. I''ig, 8, Upper surface. 



crescentic, close to each other and to the extremity of the snout anteri- 

 orly; each bearing two cilia within. Corner of the mouth slightly ante- 

 rior to the line of the eyes. Uiiper lip with a narrow ridge on each side. 



