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



PART 2. Size medium; tail bushy, showing several distinct dark rings 

 (annulated); practically entire sole of foot 

 touches the ground when walking (planti- 

 grade). 



Family PROCYONIDiE. Raccoons, p. 391. 



PART 3. Size variable in different species; tail hairy but never show- 

 ing several distinct rings or bars; sole of foot not touching the 

 ground when walking. 



Family MUSTELID.(E. Otters, Skunks, Minks, Weasels, Martens, 

 Wolverine and Badgers. p. 327. 



GROUP 5. Order INSECTIVORA. Insect Eaters. 



Size small, the largest (in our species) less than 10 inches long; snout long, 

 upper lip noticeably projecting beyond the lower; canine teeth present 

 but not noticeably prominent, and differing but little from the others ; tooth 

 row practically continuous, with no wide gap as in Glires; eyes very small, 

 often rudimentary ; ears concealed except in one genus ; toes with claws. 



SECTION 1. No external ear; front feet very large and wide; claws 



large; fur thick and soft; length more than 

 5 inches. 



Family TALPIDiE. Moles, p. 433. 



SECTION 2. External ear present but small and in some species 

 concealed by fur; feet normal, front ones not conspicu- 

 ously large; somewhat resembles a small Mouse but snout 

 much more elongated and slender. 



Family SORICIDiE. Shrews, p. 406. 



