Annotated Checklist of Mammals of the Yucatan Peninsula, Mexico. I. Chiroptera

Our field investigations on the Yucatán Peninsula were initiated in the summer of 1962 when two field parties from the Museum of Natural History at the University of Kansas visited the area. One field party consisted of W.E. Duellman and six students enrolled in a summer field course in vertebrate zoology; the other party was composed of the senior author and four students who were conducting a survey of Middle American terrestrial vertebrates and their ectoparasites. Some of the data relative to ectoparasites obtained during this study have appeared in the publications of Emerson (1971), Kohls et al. (1965), Loomis (1969), Price and Emerson (1971), and Wenzel et al. (1966). In mid-December 1962, Percy L. Clifton, field representative for the Museum of Natural History, began field work on the peninsula that continued until June 1963. Collections housed in the Museum of Texas Tech University were obtained by John B. Bowles in the spring of 1971. Specimens listed beyond that are housed in the collection of the Museum of Natural History at the University of Kansas carry no institutional designation. Other collections from which specimens were examined are: American Museum of Natural History (AMNH); British Museum (Natural History) (BM); Field Museum of Natural History (FM); lnstituto de Biologia, Universidad Autónoma de Mexico (UM); Los Angeles County Museum (LACM); the Museum, Texas Tech University (TTU); Museum of Vertebrate Zoology, University of California (MVZ); National Museum of Natural History (USNM)