. Breviora. . Figure 12. A. rivalis, LACM 42129. Frontal and middorsal scales. Tail. Compressed without dorsal crest. Verticils indistinct. Enlarged postanals absent. Color as Preserved. Brown with darker flanks. Middorsum banded. Two narrow light lines on sides, one above shoulder, one starting at axilla. Spotting on lower flanks. Limbs banded. Belly and throat white or very weakly spotted. Dewlap white. Nape white to above level of ear where a darker margin sets it off against the dorsal light brown. Size. The type male is 62 mm in snout-vent length. MCZ 115722 and LACM 42138, topotypic male
. Breviora. . Figure 12. A. rivalis, LACM 42129. Frontal and middorsal scales. Tail. Compressed without dorsal crest. Verticils indistinct. Enlarged postanals absent. Color as Preserved. Brown with darker flanks. Middorsum banded. Two narrow light lines on sides, one above shoulder, one starting at axilla. Spotting on lower flanks. Limbs banded. Belly and throat white or very weakly spotted. Dewlap white. Nape white to above level of ear where a darker margin sets it off against the dorsal light brown. Size. The type male is 62 mm in snout-vent length. MCZ 115722 and LACM 42138, topotypic males, are each 64 mm snout to vent. Color in Life. Scott provides color notes on the topotypic specimens: "Adult male: Dorsum dark brown with thin green brown vertical bands on flanks. Several stripes from axilla to groin, the lower ones heavily suffused with red. Light areas on sides dusty rose. Venter yellowish white with heavy red suffusion on sides of abdomen, throat and underside of head. Iris dark chestnut enclosing a narrow yellow ring. Dewlap solid orange. Adult female: Dorsum. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University
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