On January 23, 1946, two pocketed free-tailed bats ( Tadarida femorosacca , Catalogue nos. 17852 and 17853) were obtained in a large cave 10 kilometers north-northeast of the village of Antiguo Morelos, in the state of Tamaulipas, Mexico. This extends the known range of this species to the Atlantic Slope and more than 300 miles to the northeast of Zacoalco, Jalisco, the only locality in central Mexico from which the species was previously known (see Shamel, H. H., Proc. U. S. Nat. Mus., vol. 78,