Skin covered with scales: body and tail elongated: jaws furnished with teeth: generally four feet.

I. Lacertidie

Tongue slender, extensile, bifid: all the feet with five toes; these last separate, unequal, armed with claws: scales disposed, under the belly and round the tail, in transverse parallel bands.

3. Lacerta

Palate armed with two rows of teeth: upper part of the head protected by large squamous plates, terminating posteriorly in a line with the orifices of the ears: a collar on the under side of the neck formed by a transverse row of flat broad scales, separated from those of the breast by a space covered with small granulated scales*: scales on the abdomen much broader than those on the back, and not keeled: one row of femoral pores on each thigh.