5 ■ r 





84 



MONOGUAPII8 OF NORTH AMERICAN RODENTIA. 



TAiir.E XX. 



-MeaBiiremenln ofmxujninr (niirf /is/ of other) ndrfi/ioiifi/ «ji<(i»if(i« of lirilith American and i^rc/fo 

 Hkri'khosiys ij'.rcoris, mtntlij of the '• mnorimnu" tlyle — Ciiutiuneil. 



* III length uf tail, tluuft HiM-iiiuiitH ili'imrt iVniii tli<^ ruin for Arctic IIritj>eromyii, nnd »tv trws Itwoputi bnt tbo UtlU 

 Huil wtk'B uru very hairy, lu luiual, aud tlu^ ciainpluH nru jirubiibly best enuiiiuratutl lu this lUi. 



