Jumping-mice Sentence Examples
 jumping-mice 
- The least specialized genus is Zapus, containing the jumping-mice of North America, with one outlying Siberian species, in which the five metatarsals are free, as are also the cervical vertebrae, the small upper premolar being retained. 
- The jerboa group (Dipodidae, or Jaculidae) is also mainly an Old World type, although its aberrant representatives the jumping-mice (Zapus) have effected an entrance into Arctic North America. 
- Jumping-mice were long supposed to be confined to North America, but a species is now known from N.W. Advertisement