Venoms; venomous animals and antivenomous serum-therapeutics . FiG. 21. — (/) Ylpeni herns; {2) Vipera aspis ; (3, d) Vlpera ai)unodijtcs. (Natural size.) tinct, the former as long as broad, usually shorter than the spaceseparating it from the rostral shield; (3—^13 scales round the eyes ;one or rarely two series of scales between the eyes and the lips ;nasal shield single, separated from the rostral by a naso-rostralshield : temporal scales smooth. Body scales in 21 rows (excep-tionally 19 or 23), strongly keeled ; 132—150 ventral shields;38—36 subcaudals. Colour very variable, grey, yellowis
Venoms; venomous animals and antivenomous serum-therapeutics . FiG. 21. — (/) Ylpeni herns; {2) Vipera aspis ; (3, d) Vlpera ai)unodijtcs. (Natural size.) tinct, the former as long as broad, usually shorter than the spaceseparating it from the rostral shield; (3—^13 scales round the eyes ;one or rarely two series of scales between the eyes and the lips ;nasal shield single, separated from the rostral by a naso-rostralshield : temporal scales smooth. Body scales in 21 rows (excep-tionally 19 or 23), strongly keeled ; 132—150 ventral shields;38—36 subcaudals. Colour very variable, grey, yellowish, olive, brown, or red above. 26 VENOMS generally with an undulating or zigzag band along the vertebralcolumn, and a series of lateral spots. A black spot shaped likea V, an X, or a circumflex accent, on the head. The tip of the tailis yellow or reddish. Some specimens are entirely black. Total length from 350 to 700 millimetres ; tail 75 to 90. Habitat: Northern Europe, and especially the mountains ofCentral Europe; irregularly distributed in South
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Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectserpents
