46 Field Museum or Natural History — Zoology, Vol. XI. 



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 PROCYONID^. 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.S. 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 TALPID^. 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 SORICID^. Shrews, ]). 406. 



