. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1997 Asiatic Herpetological Research Vol. 7. pp. 48-50 A New Species Of Leptolalax (Anura: Megophryidae) from Borneo Robert F. Inger1, Maklarin Lakim2, Alim Biun2, and Paul Yambun2 'Field Museum of Natural History, Chicago, Illinois 60605. USA; 2Sabah Parks, Box 10626, 88806 Kota Kinabalu, Sabah, Malaysia A new species of frog of the genus Leptolalax is described from high elevation in Sabah. northern Borneo. The new species is remarkable for its small size and the large size of its
. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1997 Asiatic Herpetological Research Vol. 7. pp. 48-50 A New Species Of Leptolalax (Anura: Megophryidae) from Borneo Robert F. Inger1, Maklarin Lakim2, Alim Biun2, and Paul Yambun2 'Field Museum of Natural History, Chicago, Illinois 60605. USA; 2Sabah Parks, Box 10626, 88806 Kota Kinabalu, Sabah, Malaysia A new species of frog of the genus Leptolalax is described from high elevation in Sabah. northern Borneo. The new species is remarkable for its small size and the large size of its ova. Key words: Borneo. Amphibia. Salientia, Leptolalax ft mm. Figure 1. Dorsal view of holotype of Leptolalax mau- rus, new species. The scale line equals 10 mm. Introduction Sabah Parks (Sabah. Malaysia) has initiated a pro- gram monitoring populations of amphibians at three sites at differing elevations in Kinabalu Park. One of these sites is at Mesilau (1850-1950 m, 6°04'N/ 116°34'E), southeast of the peaks. At this elevation, the vegetation changes from lower montane to upper montane and the climate is temperate in Koppen's sys- tem with mean temperature near ° (Kitayama, 1992). During the course of our initial survey at this site, we collected a gravid female, which we describe below as the holotype of a new species of Leptolalax. On our next visit to the same site, we found an addi- tional adult, one juvenile and two metamorphosing individuals of the same species. This is not the first Leptolalax to be found at montane elevations in Borneo. Leptolalax dringi Dubois was collected at 1800 m on Mt. Mulu. Sarawak (Dubois. 1987). and L. dringi and L. pictus Malkmus at 1230-1560 m in Sabah (Inger et al., 1995). However, as will be detailed below, the Mesilau species is smaller than any other yet found in Borneo, has larger ova and smaller clutch than females of other Bomean species, and has a distinct coloration. Material and Methods The specimens were preserved in 10%
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