76 ME. G. A. BOULENGER ON LIZAEDS 



the frontonasal, Avhich is usually at least as long as broad; suture between the praj- 

 frontals often very short ; an azygous shield rarely present between the prsefrontals *. 

 Frontal li to If times as long as broad, as long as its distance from the rostral or 

 from the end of the snout, narrower, behind, than the principal supraoculars, often f in 

 contact with the first supraocular or the several small shields or granules into which it 

 may be disintegrated. Parietals 1-j (young) to 1^ times as long as broad, usually not 

 in contact with upper postocular J. Occipital always shorter than the interparietal 

 and usually broader, sometimes much broader. The two major supraoculars, which 

 are equal in length or the lirst slightly the longer, separated from the superciliaries 

 by a complete series of granules, sometimes by two ; the fourth supraocular usually in 

 contact with the upper temporal. 6 to 8, rarely 9, superciliaries, the suture between 

 them all vertical or nearly so. 



Two superposed postnasals ; anterior loreal shorter than second. Usually 5, some- 

 times 6, rarely 4 ^, upper labials anterior to the subocular, the lower border of wliich 

 is as long as the upper, or a little shorter. Temporal region with small granular scales ; 

 masseteric shield large or small, sometimes absent || ; tympanic present; a large upper 

 temporal, well visible from above, usually followed by one, two, or three smaller 

 shields. 



No pterygoid teeth in the specimens examined ^. 



30 to 39 (usually 33 to 37) scales and granules in a straight line between the 

 symphysis of the chin-shields and the median collar-plate ; gular fold very indistinct 

 or totally absent. Collar not serrated, composed of 10 to 13 (exceptionally 8 or 6) 

 small or very small plates, which may be scarcely larger than the scales in front of 

 them. 



Body covered with small, flat, roundish granules, which are a little smaller on the 

 sides than on the back ; 59 to 75 (usually 63 to 70) scales across the middle of 

 the body, 3 or 4 (rarely 5) transverse series corresponding to a ventral plate, 31 to 50 

 in the middle of the back corresponding to the length of the head. Ventral plates 

 in 6 (rarely 8) longitudinal and 25 to 30 transverse series; the plates of the six rows 

 sometimes subequal in width, sometimes unequal, those of the median row from the 

 middle line the broadest ; when in S series, the plates of the outer row very narrow **. 

 rrajaual plate moderate or rather small, bordered by one or, more lisually, two series 

 of small plates, of which a median pair may be more or less enlarged. 



* In ouo specimen from Dalmatia (Bedriaga Collection) and in one from Curzola. 

 t In 22 cases out of 38. 

 j; In 29 cases out of 38. 

 § 5 labials iu 23 cases, 6 in 11, 4 in 4. 

 II Large in 18 cases, small iji 13, absent in 7. 



f Siebenrook (Sitzb. Ak. Wiss. Wien, ciii. i. 1894, p. 254) says they are present. 

 ** 8 rows in 5 out of 19 specimens iu the British Museum. 



