40 Lacertid&s. 



plates in 8 or 10 (rarely 12) lont;-itiidinal series ; hind limb not 

 reachiniy the ear. 



1 . Toes very feebly pectinate on both sides. 



Two large supraoculars ; dorsal scales smooth or keeled, \ipper 

 caudals strongly keeled ; 18 to 30 femoi-al pf)res on each side. 



J. ntlgaris, D. & B., p. 41. 

 Two large supraoculars ; dorsal and basal caudal scales perfectly 



smooth ; 18 to 24< femoral pores on each side . A. trixframi, Gthr., p. 53. 

 A single large supraocular ; dorsal and upper caudal scales 

 strongly keeled ; 14 to 18 femoral pores on each side. 



A. boiiefi, Chaban., p. 55. 



2. Outer edge of fourth toe strongly pectinate ; two 



large supraoculars ; dorsal and upper caudal 

 scales strongly keeled ; 19 to 28 femoral pores 

 on each side . . . .A. savigntii, Aud., p. 57. 



B. Three (rarely two) large supi'aoculars, the first freqiiently divided 



into two or three, or separated from the second by a series of 

 granules ; dorsal scales small ; toes usually feebly pectinate on 

 both sides, or a little more strongly on the outer side of the fourth 

 toe. 

 Ventral plates in 12 or 14 (rarely 16) longitudinal series ; sub- 

 ocular very rarely bordering the mouth ; hind limb rarely 

 reaching the ear (males) ; foot 1 to I3 times length of head. 



A. pardalis, Licht., p. 62. 

 Ventral plates in 10 longitiTdinal series ; subocialar usually 

 bordering the mouth ; hind limb reaching the ear or the 

 eye; foot I3 to \\ times length of head . A. micropholis, Blanf., p. 76. 



C. Usually four large supraoculars, but first or fourth sometimes broken 



up ; posterior dorsal scales imbricate ; ventral plates in 10 (rarely 

 8 or 12) longitudinal series ; fourth toe more or less strongly 

 pectinate on outer side. 

 Dorsal scales small, obtusely or more or less strongly keeled, 

 18 to 26 in a transverse series between the hind limbs; first 

 supraocular always entire . . . . A. schreiheri, Blgr., p. 78. 

 Posterior dorsal scales large and strongly keeled, 8 to 16 in a 



transverse series between the hind limbs . A. boskianiis, Daud., p. 83. 

 11. Four series of scales round the fingers, three round the toes ; three or four 

 lai'ge supraoculars, the first rarely broken up. 



A. Ventral plates in 12 to 16 straight longitudinal series ; 



jjosterior dorsal scales very large, imbricate, and 

 strongly keeled, ]() to 16 in a transverse series 

 between the hind limbs ; outer edge of fourth toe 

 strongly jjectinate . . . .A. cantoris, (Jthr., p. 91. 



B. Ventral plates not forming straight longitudinal series ; 



dorsal scales small, 18 or more in a transverse series 



lietween the hind limbs. 

 Scales more or less distinctly keeled; ventral plates in 12 to 16 

 longitudinal series ; snout acutely pointed ; foot longer than 

 head ; outer edge of fourth toe strongly pectinate A. scutellatus, Aud., p. 97. 



