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196 MONOGRAPHS OF NORTU AMERICAN RODENTIA. 



fARVICOLA RIPARIUS var. BOREALIS, Rich. 

 Little Northern Meadow House. 



Anieola borealii, Richardson, Zool. Joiirn. 1828, r>17 ; Fu. Bor.-Ani. i, 1829, 127.— AcD. & Bach., Q. N. A- 



iii, lH5:i, 134, pi. 129 (from RicbardBou).— Baihd, M. N. A. 1857, 549 (from the same). 

 " Bypudcnts borealis, Wagneh, Siippl. Schreber, iii, 1843, 593" (the same), 

 .lirrko/o (n';)rtiiu» var. f) !wrfa/i», C0UE8, Proc. Acad. Nat. Sci. Philu. 1874, 190. 



Diagnosis. — J. ripario .timi/limux, t.(;d minor, artubus brevioribus, hirmti- 

 oribus, vel/ere lanuginosiore. • ■ ' ■". ' -• .» ■■\.-- :■> 



Averaging a little smaller than true npnriu,s (three or four inches hing), 

 with smaller and hairier ears, tail, and feet. 



Habitat. — NortHiwestern America. " ' ' ■ ' '■' 



Table XLIX. — ileamremenU of lhirlg-o«e small Arnlic Arvicoije nf Iht RIPARIUS type, tupfoned to reprr- 



teiit a variety boreai.is, Kich. 

 If, B. — They oouncct directly with spooimeus of the prcccdlDK enumeration. 



* Tiikun tn winter, and Apparently ndult. Ita leugtb CADOot now be nscertAlned with accunwy ; but It is » tluy nuiiiinl, 

 ttppnroBtly falling tibort ot 3 iooben. 



f Gontaiaed 7 fcBton. Tbts and the othen tneosnred tnth do nctnppear tobe Boniacta Inrgftrtban tberest osthe flgiiret 

 woald indicate. 



