. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 2001 Asiatic Herpetological Research Vol. 9, p. Less than 120 m submarine contour 200 km Luzon - Mindoro- Busuanga jj. * Balanes islands Babuyan islands Polillo Mannduque ..â â ' Catanduanes Palawan .10" Leyle Mindanao ⢠Hologerrhum philippinum if Hologerrhum dermali Figure 2. Map of the Philippine islands with the major Pleistocene aggregate island platforms indicated by the position of the 120 m underwater bathymetric con- tour (following Heaney, 1986); known collection locali- ties of the
. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 2001 Asiatic Herpetological Research Vol. 9, p. Less than 120 m submarine contour 200 km Luzon - Mindoro- Busuanga jj. * Balanes islands Babuyan islands Polillo Mannduque ..â â ' Catanduanes Palawan .10" Leyle Mindanao ⢠Hologerrhum philippinum if Hologerrhum dermali Figure 2. Map of the Philippine islands with the major Pleistocene aggregate island platforms indicated by the position of the 120 m underwater bathymetric con- tour (following Heaney, 1986); known collection locali- ties of the two species of Hologerrhumare indicated. Darkened circles represent collection localities for Hologerrhum philippinum'Gunther, 1858, stars are localities for Hologerrhum derma/mew species. Hologerrhum n. sp. In this paper, we redescrihe H. philippinum and describe the new species from Panay. Material and Methods We surveyed the forested slopes of Mt. Madja-as from 6 April-1 May 1992, utilizing elevational transects as described by Ruedas et al. (1994) and as modified by Brown et al. (1995, 1996, in press; Ferner et al., this issue). Sampling techniques employed a variety of search and trapping methods, including multiple-per- son time-constrained searches, sticky traps, and pit- fall traps (Simmons. 1987). Specimens were fixed in I07t buffered formalin and transferred to 70% ethanol approximately 2 months following preservation. Museum specimens (see Specimens Examined, below) were examined for color pattern and scale character differentiation and only data scored by RMB and AEL were used in an effort to minimize inter-observer sources of variation (Lee. 1990). We used Dowling's (1951a. 1951b) methods for counting scales and expressing scale row reduction formulae, and applied the Evolutionary Species Concept (Simp- son. 1961: Wiley. 1978; Frost and Hillis. 1990) in making taxonomic decisions. Species accounts Hologerrhum philippinum Gunther 1858 Figures 3-6 Hologerrhum phi
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