BLARINA. 561 
second upper molar with postero-internal lobe larger than antero- 
internal. 
Color. Above sooty black; beneath paler. 
Measurements. Total length, 106; tail vertebra, 31; hind foot, 15 
c.—machetes (Blarina), Merr., N. Am. Faun., No. 10, 1895, p. 26. 
WARRING SHREW. : 
Type locality. Mountains near Ozolotepec, State of Oaxaca, 
Mexico. Altitude, 10,000 feet. 
Gaogr. Distr. State of Oaxaca, Mexico, 
Genl. Char. Similar to B. mexicana, but larger. Inner cusplet of 
unicuspids not chestnut-tipped; molars slightly varying from those 
of species named; large upper premolar longer, broader, and more 
excavated posteriorly, with antero-internal angle and cusp less devel- 
oped; molars larger and more concave behind. 
Color. Above sooty black, paler beneath. 
Measurements. Total length, 104; tail vertebre, 30.5; hind foot, 15. 
531. mayensis (Blarina), Merr., Proc. Wash. Acad. Scien., 111, 1gor, 
Pp. 559. 
MAYA SHREW. 
Type locality. Maya ruin, Chichen Itza, Yucatan, Mexico. 
Genl. Char. Similar to B. mexicana, but color different and uni- 
cuspidate teeth larger and broader. ‘‘Molariform teeth large, not 
excavated anteriorly or posteriorly; first and second unicuspids large 
and swollen, and with inner tubercle obsolete.”’ 
Color. Above plumbeous, grizzled; beneath plumbeous, washed 
with ashy brown. 
Measurements. Total length, 102; tail vertebre, 29; hind foot, 13. 
532. nelsoni (Blarina), Merr., N. Am. Faun., No. 10, 1895, p. 26. 
NELSON’s SHREW. 
Type locality. Volcano of Tuxtla, State of Vera Cruz, Mexico. 
Altitude, 4,800 feet. 
Geogr. Distr. State of Vera Cruz, Mexico. 
Genl. Char. Similar to B. mexicana, with comparative dental 
differences; inner cusplet of the unicuspids obsolete; upper molari- 
form teeth without posterior excavation. 
Color. Uniform sooty brown. 
Measurements. Total length, 110; tail vertebra, 31; hind foot, 14. 
533. alticola (Blarina), Merr., N. Am. Faun., No. 10, 1895, p. 27. 
Mr. PopocarEePEeTL SHREW. 
Type locality. Mt. Popocatepetl, State of Mexico. Altitude, 
11,500 feet. 
