Produced by Chris Curnow, Dianna Adair, Joseph Cooper and the Online Distributed Proofreading Team at http://www.pgdp.net UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY Volume 14, No. 11, pp. 139-143 April 30, 1962 A New Subspecies of Wood Rat (Neotoma) from Northeastern Mexico BY TICUL ALVAREZ UNIVERSITY OF KANSAS LAWRENCE 1962 UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Theodore H. Eaton, Jr. Volume 14, No. 11, pp. 139-143 Published April 30, 1962 UNIVERSITY OF KANSAS Lawrence, Kansas PRINTED BY JEAN M. NEIBARGER, STATE PRINTER TOPEKA, KANSAS 1962 29-2891 A New Subspecies of Wood Rat (Neotoma) from Northeastern Mexico BY TICUL ALVAREZ The White-throated woodrat, _Neotoma albigula_, has been known previously from the Mexican state of Tamaulipas by only eight individuals reported by Goldman (N. Amer. Fauna, 31:37, October 19, 1910), which were assigned to _Neotoma albigula leucodon_ (type locality, city of San Luis Potosí, México). Additional specimens from southwestern Tamaulipas, obtained in recent years by representatives of the Museum of Natural History, along with specimens from parts of Nuevo León and Coahuila, represent an unnamed subspecies, which is named and described as follows: =Neotoma albigula subsolana= new subspecies _Type._--Male, adult, skin and skull, No. 56950, Museum of Natural History, The University of Kansas, from Miquihuana, 6400 ft., Tamaulipas; obtained on July 20, 1953, by Gerd H. Heinrich, original number 7553B. _Geographic distribution._--Sierra Madre Oriental from southeastern Coahuila to southwestern Tamaulipas. _Diagnosis._--Over-all size small for species (see measurements), but tail, maxillary tooth-row and incisive foramina relatively long; upper parts dark (individual hairs banded subterminally with cinnamon and tipped with grayish, yielding an over-all color of grayish brown); lips gray, especially anteriorly and medially; alveoli of incisors narrow (4.8-5.2); posterior branch of premaxilla extending only slightly behind nasals; rostrum short; braincase broad; mastoid breadth averaging 51.1 (47.8-52.7) per cent of basilar length.