132 ?i^i'f.^(>N — Tiry JVcir S<jiiiri'rJ.^ j'roiit Me.iico. 



Dutrihution. — Lowland lorests of eastern Tabasco, southern ('Mm- 

 peche, and southern and eastern Yucatan. 



Suh.s2n'nfic ch(ir<irt('r>i. — General style of coloration simiUir to typical 

 Sciui'us deppei from northern Vera Cruz, but much paler, more rusty 

 reddish on upperparts; outside of forelegs and feet clear gray, same 

 color extending up as a well defined wash on side of shoulders: tops of 

 hind feet like back but edged and sometimes washed with clear gray; 

 top of tail more heavily washed with white: underparts white or grayish 

 white distinctly clearer than in true S. deppei with no trace of buffy 

 suffusion. 



Skull. — Nearly typicUl but with rather heavier rostrum, broader 

 nasals; smaller and rounder audital bullse. 



Bimenfiions of type (measured in the Hesh. — Total length 373: tail ver- 

 tehne 108: hind foot 52. 



liemarks. — The occurrence of a form of Srivrus deppei in the lowland 

 forests of Campeche and Yucatan was quite unexpected. The new form 

 lives in a drier climate than true S. deppei and this is well indicated by 

 its clearer, more vivid, colors. 



