8 LACERTIDA. 
: millim. millim 
Total length .......... 277 From end of snout to 
Head sasecceevase esas 21 vont ...eeeeeeceees 82 
Width of head ........ 11 Fore limb ...........% 26 
From end of snout to fore Hind limb........... . 38 
limb ... .... ..... 80 "PAIL errndaeees ace ances . 195 
Zanzibar. 
a-b, Ad Zanzibar. Dr. J.G. Fischer. (Types.) 
4. LACERTA. 
Lacerta, part., Linn. S. N. i. p. 859; Dum. § Bibr. v. p.174; 
Bedriaga, Abh. Senckenb. Ges. xiv. 1886, p. 24. 
Seps, part., Laur. Syn. Rept. p. 58. 
Lacerta, Wagler, Syst. Amph. p. 154; Wiegm. Herp. Mex. p.9; 
Gray, Cat. Liz. p. 830; Schretb. Herp. Eur, p. 899; Lataste, Ann, 
Mus. Genova, (2) ii. 1885, p. 125. 
Zootoca, Wagl. 1. c. p. 155; Wregm. le. 
Podarcis, part., Wagl. 7. ¢. 
Podarcis, Wiegm. 1. c. 
Thimon, Tschudi, Ists, xxix. 1836, p. 551. 
Teira, Gray, Ann. N. H. i, 1838, p. 280, and Cat, Liz. p. 33. 
Zootoca, part., Gray, Cat. p. 27. 
Thetia, Gray, lc. p. 32. 
Nucras, part., Gray, J. ¢. p. 33. 
Atropis, Gliickselig, Lotos, 1831, p. 138. 
Head-shields normal. Nostril pierced between two or three nasals, 
bordered by the first upper labial, or separated from that shield bya 
very narrow rim. Lower eyelid scaly, or with a small transparent 
disk. Collar well marked. Dorsal scales much smaller than 
caudals, not, or but feebly, imbricate; ventral shields tetragonal, 
feebly imbricate, smooth. Digits subcylindrical or compressed, with 
smooth, tubercular, or indistinctly keeled lamelle inferiorly, Fe- 
moral pores. Tail long, cylindrical. 
Europe; Northern and Western Asia; Africa north of the 
equator. 
Synopsis of the Species. 
I. Lower eyelid scaly. 
A. Collar-edge distinctly serrated. 
1. Upper surface of tail with large spines. 
A single postnasal; ventrals in 6 longi- 
tudinal rows; collar with serrated 
COBO S a iccain tern eed PRAS Saeed 1, echinata, p. 11, 
