1962. _Neotoma albigula subsolana_ Alvarez, Univ. Kansas
Publ. Mus. Nat. Hist., 14:141, April 30, type from
Miquihuana, 6400 ft., Tamaulipas.
_Distribution in Tamaulipas._--Western side of Sierra Madre
Oriental.
At Nicolas specimens were taken in traps set along a thorn fence and at
Tajada two specimens were trapped along a rock wall. At other places
some specimens were brought in by natives who captured the rats by
tearing apart their houses.
Five females taken on October 18 at Nicolas carried embryos (one to two
per female), which averaged 22.2 (11-45) mm. in crown-rump length.
Another female, taken nine miles southwest of Tula on October 13,
carried 2 embryos that were 35 mm. in crown-rump length. The average
weight of the five pregnant females was 196.7 (183-207) grams. The
average weights of nine adult males and six non-pregnant females from
Miquihuana were, respectively, 215.6 (175-250) and 162.5 (155-175)
grams.
_Records of occurrence._--Specimens examined, 51:
Miquihuana, 6400 ft., 22; Joya Verde, 35 km. SW Cd. Victoria
(on Jaumave Road) 3800 ft., 2; Nicolas, 56 km. NW Tula, 5500
ft., 10; Tajada, 23 mi. NW Tula, 5200 ft, 2; 9 mi. SW Tula,
3900 ft., 15.
Additional record: Jaumave (Goldman, 1910:37).
=Neotoma angustapalata= Baker