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abundant in the entrance area of Cueva del Abra,Tamaulipas. Peters' climbing rat, Tylomys nudicaudusgymnurus Villa R., has been reported from cavesin Guerrero and Puebla (Ramirez-Pulido and Sanchez­Hernandez, 1971).Family DasyproctidaeRemains of the paca, Agouti paca nelsoni Goldman,have been found in caves in Yucatan (Pearse andKellogg, 1938; Jones et aI., 1974). Local inhabitantsreport that pacas frequently are shot in the large entrancesinks of the caves of Yucatan; they doubtlessventure into darkness in some caves in search ofwater.Family ErithizontidaeThe Mexican porcupine, Coendou mexicanus yucataniaeThomas, has been reported from caves in Yucatan(Pearse and Kellogg, 1938; Jones et aI., ]974).Order CarnivoraFamily CanidaeThe gray fox, Urocyon cinereoargenteus nigrirostris(Lichtenstein), was reported from Cueva de TiaJuana, Guerrero, by Villa R. (1967). It was presumablypreying on bats.Family FelidaeThe jaguar, Felis onca veraecrucis Nelson andGoldman, has been reported from Cueva de Los Sabinos(Hall and Kelson, 1959) and Sotano del Tigre,San Luis Potosi (Harris, 1971). Local hunters in theSierra de EI Abra of San Luis Potosi and Tamaulipasreport that jaguars are frequently seen in caves.Family MustelidaeThe western spotted skunk, Spilogale gracilis Merriam,was reported from Cueva del Tigre, Sonora(Villa R., 1958), where it was presumably preying onbats.Family ProcyonidaeThe coati, Nasua narica (Linnaeus), was reportedby Villa R. (1967) from a cave ncar lfuajintLin, MoreIos. This species is probably a frequent predator ofbats in the entrance area of caves.256