The life-history of British lizards : and their local distribution in the British Isles . Lacerta vivipara there is a single post-nasal shield, and a single anterior loreal shield, whilein Z. agilis there is usually a single post-nasal and twosuperimposed anterior loreals, the three shields forminga triangle. We are now in a position to enumerate the specificcharacters of the British lizards, as they are givenin the British Museum Catalogue of Beptiles (secondedition, vol. ii. 1885, and vol. iii. 1887, by G. , ). Family Anguid^. Genus Anguis. No lateral fold. Scales roundish,
The life-history of British lizards : and their local distribution in the British Isles . Lacerta vivipara there is a single post-nasal shield, and a single anterior loreal shield, whilein Z. agilis there is usually a single post-nasal and twosuperimposed anterior loreals, the three shields forminga triangle. We are now in a position to enumerate the specificcharacters of the British lizards, as they are givenin the British Museum Catalogue of Beptiles (secondedition, vol. ii. 1885, and vol. iii. 1887, by G. , ). Family Anguid^. Genus Anguis. No lateral fold. Scales roundish, arranged quin-cuncially on the back, forming vertical series on thesides. No limbs. Teeth fanghke. Palate toothless. Europe, Western Asia, Algeria. Anguis fragilis, the Slow-worm. Frontal large, its anterior angle wedged in betweena pair of pre-frontals; an azygos pre-frontal in frontof the latter, separated from the nasal by two smallshields; 1 or 2 small azygos shields behind thevery small rostral; nasal very small, separated fromthe latter by one shield; labials and loreals small,. HEAD OF INDIAN SLOW-WORM. O PHIS A UR US GRA CI LIS. {Facing-/, go.
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Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectreptiles
