May 25, 1982 ... series of 9 (8 to 11, the latter rarely) transverse, telescoping bands ..... Variation
from the normal four young per litter has been ..... Berlin,. Math. Phys. IG., 1872:
103?110. Hibbard, C. W. 1943. A checklist of Kansas mammals. Trans. Kansas
Acad. Sci., 47:61-88. ? 1958. Summary of North American ... 
