LIZARDS. 101 



29. Tribolonotus, Dum. et Bib. Zonurus, part, Schlegel. 



Head depressed, covered with plates quite soldered to the bone, 

 spinose behind. Frontal and eyeln-ow shield distinct, more or less 

 soldered. Palate not toothed. Tongue scaly. Nostrils lateral, 

 in a single plate. Eyelids distinct, lower one scaly. Scales of 

 the back bony, strongly spinose, of the belly rhombic, keeled. 

 Toes 5-5, rather compressed, not keeled, beneath. Femoral pores 

 none. Preanal plates 2, very large. Tail compressed, with 4 spi- 

 nose keels above, and spinose on the sides above. 



The Tried LO NOTE. Tribolonotus Novae Guineee, Dum. et 

 Bib. E. G. V. 366, t. 6. Zonurus N. GuineEe, Schlegel, Zonurus, 

 19, t. l,f. 2. Gray, Ann. N. II. \, 388. 



Brown, whitish beneath. 



Inhab. New Guinea. Mus. Leyden, (Mus. Paris). 



29. TROPiDOPH0RUs,Z>ttm. etBib. Tropidosaurus, Gray, not Boie. 



Leposoma, Cuvier, not Spix. 



Head squarish, with keeled rugose shields. Rostral erect, 

 triangular. Nasal lateral, supranasal large, like the frontonasal, 

 frontal and interparietal large, frontoparietals separate, small, in- 

 temasal very small, triangular. Tongue scaly. Teeth compress- 

 ed. Palate toothless, with a deep triangular notch behind. Lower 

 eyelid with a band of large scales. Tympanum nearly superficial. 

 Body fusiform, rather compressed. Scales of the back and upper 

 part of the tail rhombic, keeled, spinose, of the throat and sides 

 lozenge-shaped, keeled, of the belly roundish, 6-sided, smooth. 

 Preanal shields 3, large, central triangular. Tail compressed, 

 with 4 keels above, with moderate lozenge-shaped keeled scales on 

 the sides, and a row of broader keeled scales beneath. Legs 4, 

 strong. Toes 5-5, unequal, compressed, clawed. 



The Tropidophore. Tropidophorus Cocincinensis, Dum. et 

 Bib. E. G. V. 556, t. 57, f. 1. Leposoma Cochincinensis, Cuv. 

 R. A. ii. 38. Tropidosaurus montanus, Gray, Griffith, A. K. 

 ix. 35. T. Boiei, Cuv. MSS. Mus. Paris. 



Brown, with black cross bands. 



a — c. Adult, in spirits. Philippine Islands. From Mr-. Cuming's 

 collection. 



30. NORBEA. 



Head rather depressed, shields thick, even, granular. Rostral 

 squarish, erect. Nasal square, lateral, supranasal none, interna- 

 sal squarish, large, nicked behind, frontonasal lateral, distinct, 

 frontal elongate, tapering behind, eyebrow-shields 4-4, large, the 

 frontoparietals 2, small, contiguous, interparietal and parietals 



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