174 Merriam — Descriptions of Nine New Mammals. 



sooty over the belly ; tail nl)Ove coneolor with the hack, slightly 

 paler on the hasal lialf below. 



Cranial Clia.rader^. — Skull somewhat larger than that of ***''. 

 o/TOj>o//'.v, with rostral portion more swollen; first and second 

 lateral unicusi)idate teeth sulteipial and largest ; third and fonrth 

 subequal and about half the siz.e of the first and second ; fifth in 

 the tooth roAV and distinctly visil)le froin the outside. Though 

 the first and second unicuspids are apparently equal in height, 

 the sec()nd is really slightly larger than tlie first owing to its 

 higher point of origin. 



