. Bonner zoologische Monographien. Zoology. 49. Fig. 17: A female Vipera latifii from the Lar valley, with sharply developed vertebral line (RSI 2534). Crown of head covered with two large supraoculars, which are separated from eye by circumocular scales. The outer edge of the supraoculars is protruding in right angle, giving an appearance of a small horn or markedly raised eyebrow. The supraoculars are separated from each other by seven to nine (r = ) interocular scales at shortest distance. Total number of intersupraocular scales is 21 to 35 (?r = ). The number of canthals on each sid
. Bonner zoologische Monographien. Zoology. 49. Fig. 17: A female Vipera latifii from the Lar valley, with sharply developed vertebral line (RSI 2534). Crown of head covered with two large supraoculars, which are separated from eye by circumocular scales. The outer edge of the supraoculars is protruding in right angle, giving an appearance of a small horn or markedly raised eyebrow. The supraoculars are separated from each other by seven to nine (r = ) interocular scales at shortest distance. Total number of intersupraocular scales is 21 to 35 (?r = ). The number of canthals on each side separating supraoculars from supranasals varies between and (x = ). Two, or more often three (x" =) apicals bordering rostral. The number of intercanthals is 10 to 20 (x" = ) and with a total number of scales on top of head (intercanthals + intersupraoculars) of between 35 and 48 (^ = ). Eye separated from supralabials by two suboculars (one row on both sides of head in two specimens, one row on one side of head and two on the other in three specimens). Eye surrounded by a complete first inner circumocular ring containing 10 to 15 (x = ) scales, and by an outer ring containing 12 to 16 (x" = ) scales. Nostril in the middle of a big nasal shield, which is partly fused with the prenasal. Upper preocular separated from the nasal by a loreal. Eight to twelve (?r = ) supralabials and nine to thirteen (?r = ) sublabials on each side. Two large anterior chinshields followed by four to seven (jT = ) posterior 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 Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology
