. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. Vol. 3, p. 106 Asiatic Herpetological Research April 1990. FIG. 2. Paralectotypes oiStellio sacra BMNH and BMNH Two males, 2 females, and 1 juvenile. Locality: Nyingchi (29° 32'N 94° 25' E), Lhasa Municipality, Xizang (Tibet) Autonomous Region, China. Distribution Stellio sacra as presently understood, is restricted to the river drainage of the Yarlung Zangbo in the Lhasa Valley, Xizang (Tibet) Autonomous Region, China (Fig. 4). Only four localities are known, all betwee
. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. Vol. 3, p. 106 Asiatic Herpetological Research April 1990. FIG. 2. Paralectotypes oiStellio sacra BMNH and BMNH Two males, 2 females, and 1 juvenile. Locality: Nyingchi (29° 32'N 94° 25' E), Lhasa Municipality, Xizang (Tibet) Autonomous Region, China. Distribution Stellio sacra as presently understood, is restricted to the river drainage of the Yarlung Zangbo in the Lhasa Valley, Xizang (Tibet) Autonomous Region, China (Fig. 4). Only four localities are known, all between 3000 and 4000 m. Populations occurring in the Kunlun Mountains of southern Xinjiang Uygur Autonomous Region, China were previously assigned to Stellio himalayanus himalayanus, however their present taxonomic position is uncertain. Diagnosis: Rock agamid with flattened head and body which is typical for this lizard group. They are comparatively large lizards with a snout-vent length of 120- 150 mm and a tail length of 180-240 mm (Table 1). Gular Sac seems to be developed to a greater degree than in other Stellio. Body scales are small and granular. The scales are not well differentiated. There is a very slight but noticeable nuchal crest on the head. It begins from the middle of the occiput and continues as a poorly differentiated vertebral stripe. The longitudinal rows of enlarged and feebly keeled scales on the vertebral region are arranged parallel to each other. There are neither groups of enlarged scales nor separate enlarged scales on the dorsal lateral regions. The males have a large patch of callous scales on the belly. The annuli and segmentation of the scales on the basal quarter of the tail are not prominent. On the. 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 Asiatic Herpetological Researc
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