230 Merriam Descriptions of Five New Shrews. 



teeth (skull more slender and delicate; pm and m - 1 and m ^ much more 

 deeply excavated posteriorly ; second unicuspid not larger than first). Its 

 nearest relative seems to be S. saussurei caudatu*, which differs from it in 

 somewhat darker coloration, in having the tail decidedly paler holow, 

 and in the cranial and dental peculiarities already described. 



Measurements. Type specimen: total length, 120; tail vertebra?, 57; 

 hind foot, 15. Average of 4 specimens: total length, 122.5; tail verte 

 brae, 55; hind foot, 14.7. 



Specimens examined. Total number, 4, from the following localities in 

 Guatemala: 



Volcano Santa Maria, Quezaltenango (type locality), 3. 

 Todos Santos, Huehuetenango, 1. 



