Merriam — Five New Mammals from Mexico. 69 



Measurements. — Type specimen: total length 310; tail vertebrae 96; 

 hind foot 42. 



Remarks. — Cerro de la Calentura, on which Mr. Goldman secured 5 

 specimens of this new species, is an isolated mountain 1.50 miles north 

 of Mt. Toluca where its nearest relative, Platygeomys planiceps occurs. 



Spertnophilus annulatus goldmani subsp. nov. 



Type from Santiago, Tepic, Mexico. No. 91,259 9 ad., U. S. Na- 

 tional Museum, Biological Survey Collection. Collected June 18, 1897 

 by E. W. Nelson and E. A. Goldman. Original No. 11,223. 



Characters. — Similar to 8. annulatus but hind foot smaller (averaging 

 52.5 instead of 56.5); whitish of eyelids clearer and more distinct; fer- 

 ruginous of face, neck, thighs, and tail less extensive and usually less 

 intense. 



Measurements.— TypQ specimen: total length 430; tail vertebrae 216; 

 hind foot 52. Average of 2 specimens from type locality: total length 

 428; tail vertebrae 212; hind foot 52. 



