. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 12: Portrait of the holotype of Gekko subpalmatus (BMNH ). Phot. T. Ziegler. Fig. 13: Dorsal view of the lectotype of Gekko melli (ZMB 27659 A). Phot. H. Rösler G. tawaensis reaches a SVL up to 70 mm and has inter- nasals. The toes are basally narrowly webbed, and there are 12 subdigital lamellae under the 4th toe. The males have no preanofemoral pores, and the subcaudals are anteriorly mesially divided (Okada 1956; Sengoku 1989; Utsunomiya etal. 199
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 12: Portrait of the holotype of Gekko subpalmatus (BMNH ). Phot. T. Ziegler. Fig. 13: Dorsal view of the lectotype of Gekko melli (ZMB 27659 A). Phot. H. Rösler G. tawaensis reaches a SVL up to 70 mm and has inter- nasals. The toes are basally narrowly webbed, and there are 12 subdigital lamellae under the 4th toe. The males have no preanofemoral pores, and the subcaudals are anteriorly mesially divided (Okada 1956; Sengoku 1989; Utsunomiya etal. 1996). G. scientiadventura sp. n. differs from the other Gekko species without dorsal tubercles by the combination of following characters: (a) SVL, (b) internasals, (c) exten- sion of webbing between toes, (d) subdigital lamellae under 4th toe, (e) number of preanal pores, and (f) shape of subcaudals. G. scientiadventura sp. n. differs thus from G. athymus in the characters a, b, d, e; from G. subpalmatus in the characters a, b, c, d; and from G. tawaensis in the characters b, e, and f. 4. DISCUSSION The genus Gekko Laurenti, 1768 contains, according to the last overview by Kluge (2001) 28 species. We add to this number five more species which we consider as valid: G. liboensis Zhou & Li, 1982, G. melli Vogt, 1922, G. mindorensis Taylor, 1919 G. scabridus Liu & Zhou, 1982, and G. scientiadventura sp. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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