Lactating females (22 specimens) were collected in June and July.
Two females collected at this locality on April 16 and 17 were lactating.
One of the seven females was lactating; none contained embryos.
In August three females were pregnant or lactating, or both.
Four females obtained in March were lactating, as was one taken in December and one taken in January.
Two June-taken females from the Sierra de Tamaulipas were lactating, and weighed 17 and 18 grams.
Two females taken there on November 11 carried one embryo each; a lactating female was taken on November 14.
Each of two females, captured on January 13, carried five placental scars; one of the females was lactating.
One was a lactating female (November 15) and weighed 31 grams; the other, an immature male, weighed 23 grams.
In the Sierra de Tamaulipas a lactating female was taken (June 9) in a steel trap.