1898. The skull and teeth of Ectophylla alba. Trans. Amer. Philos. Soc., 19:267-272. ALLEN, J. A. 1908. Mammals from Nicaragua. Bull. Amer. Mus. Nat. Hist., 24:647-670. 1910. Additional mammals from Nicaragua. Bull. Amer. Mus. Nat. Hist., 28:87-115. ALSTON, E. R. 1879-1882. Biología Centrali-Americana, Mammalia. London, xx+220 (introduction by P. L. Sclater). ALVAREZ, T. 1963. The Recent mammals of Tamaulipas, México. Univ. Kansas Publ., Mus. Nat. Hist., 14:363-473. ANDERSEN, K. 1908. A monograph of the chiropteran genera _Uroderma_, _Enchisthenes_, and _Artibeus_. Proc. Zool. Soc. London, 204-319. BURT, W. H., and R. A. STIRTON 1961. The mammals of El Salvador. Misc. Publ. Mus. Zool., Univ. Michigan, 117:1-69. CABRERA, A. 1958. Catalogo de los mamíferos de America del Sur. Rev. Mus. Argentino Cienc. Nat., Buenos Aires, 4:iv+307. CARTER, D. C., R. H. PINE, and W. B. DAVIS 1966. Notes on Middle American bats. Southwestern Nat., 11:488-499. DAVIS, W. B. 1965. Review of the _Eptesicus brasiliensis_ complex in Middle America with description of a new subspecies from Costa Rica. Jour. Mamm., 46:229-240. 1968. Review of the genus _Uroderma_ (Chiroptera). Jour. Mamm., 49:676-698. 1969. A review of the small fruit bats (genus _Artibeus_) of Middle America. Southwestern Nat., 14:15-29. 1970a. A review of the small fruit bats (genus _Artibeus_) of Middle America. Part II. Southwestern Nat., 14:389-402. 1970b. The large fruit bats (genus _Artibeus_) of Middle America, with a review of the _Artibeus jamaicensis_ complex. Jour. Mamm., 51:105-122. DAVIS, W. B., and D. C. CARTER 1962. Notes on Central American bats with description of a new subspecies of Mormoops. Southwestern Nat., 7:64-74. 1964. A new species of fruit-eating bat (genus _Artibeus_) from Central America. Proc. Biol. Soc. Washington, 77:119-121. DAVIS, W. B., D. C. CARTER, and R. H. PINE 1964. Noteworthy records of Mexican and Central American bats. Jour. Mamm., 45:375-378. DOBSON, G. E. 1878. Catalogue of the Chiroptera in the collection of the British Museum. British Museum, London, xlii+567. ELLIOT, D. G. 1917. A check-list of mammals of the North American continent.... Suppl., edited by J. A. Allen, Amer. Mus. Nat. Hist., iv+192. FELTEN, H. 1955. Fledermäuse (Mammalia, Chiroptera) aus El Salvador. Tiel 1. Senckenbergiana Biol., 36:271-285. 1956. Fledermäuse (Mammalia, Chiroptera) aus El Salvador. Tiel 3. Senckenbergiana Biol., 37:179-212. 1957. Fledermäuse (Mammalia, Chiroptera) aus El Salvador. Tiel 5. Senckenbergiana Biol., 38:1-22. GARDNER, A. L. 1966. A new subspecies of the Aztec mastiff bat, _Molossus aztecus_ Saussure, from southern Mexico. Contrib. Sci., Los Angeles Co. Mus., 111:1-5. GARDNER, A. L., R. K. LAVAL, and D. E. WILSON