CORDYLUS POLYZONUS.-Smith. 



Reptilia. Plate XXVIII. Fig. 1. 



C. superne flavo-brunneus, dorso maculis brunneis in ordinibus duobus loogitudinalibus variegato ; maculis 

 duabus nigro-brunneis pone aurein ; squamarum seriebus quadraginta inter nucham et basin caudse. 

 Losgitudo e naso ad basin caudal 4 unc. ; caudse 5 unc. 



Cordylus poltzoxus, Smith, Mag. of Natural History, Vol. ii. p. 31 . 



Zonurus folyzonus, Dum. et Bib., Erpet. General, torn. v. p. 357. 



Colour. — The upper surface of the head, the back, the sides, and the ex- 

 tremities intermediate between yellowish and chesnut-brown, the back varie- 

 gated with irregularly shaped umber-brown spots, the majority of them 

 arranged in two longitudinal rows ; behind the ear on each side of the neck 

 two very deep liver-brown blotches. Tail dull yellowish brown, mottled spa- 

 ringly with small irregular umber-broAvn spots. Toes light greenish brown. 

 Belly and under surface of tail a rusty ochreous yellow ; sides of head wood- 

 brown, shaded with yellowish and light umber-brown. Eyes deep reddish 

 brown. 



Var. — Above a uniform livid liver-brown without distinct variegations ; be- 

 neath light yellowish brown or livid yellowish brown. 



Form, &c. — Head rather small, the temples convex and laterally very promi- 

 nent; the neck rather narrower than the hind head, and convex superiorly ; the 

 body depressed and subovate ; tail at the base, flat above, rounded below and 

 towards the point cylindrical ; the hinder extremities rather long. The upper 

 surface of the head irregular, the parietal shield rather concave ; the palpebral 

 plates project considerably, and form arched eyebrows ; naso-rostral plates 

 subhemispherical, and the nostril situated near their outer margin, so as to 

 open laterally ; the form of the other plates, as represented in Plate XXX. 

 fig. 7. Labial scales of upper jaw seven, the last two rather tubercular, those 

 of the lower six, the last two horizontally compressed, and projecting later- 



