LIZARDS. 255 



f Neck not crested. 



The Stellion or Hardun. Stellio Cordylina. Lacerta 

 Stellio, Linii. S. iV. 361. Seba, i. t. 107, f. 1, 2. Iguana corda- 

 lina, Laur. Syn. 47. S. vulgaris, Latr. Rept. ii. 22. Daud. Rept. 

 iv. 16. Rupp. Zool. N. Afr. t. 2. Gray, Griffith, A. K. ix. 57. 

 Agama Sebse, Merrein, Tent. 55. A. Cordylea, Menem, Tent. bb. 

 St. antiquorum, Cuv. R. A. i. 17. Geoff. Rept. Eyypt. i. t. 2,/. 3. 

 Cordylus sive Uromastyx, Aldrov. i. QQb. Le Stellion, Daub. 

 Rept. 683. Ency. Meth. t. 8,/. 4. 



Nape not crested ; belly yellow ; scales of the tail large, form- 

 ing very distinct rings. 



a. Adult, in spirits. N. Africa, Egypt. Presented by M. Lefebre. 

 h, c. Half grown and young, in spirits. N. Africa. Presented 



by the Rev. W. Hennah. 



d. Adult, in spirits. Asia Minor. Presented by A. Christy, Esq. 



e. Adult, in spirits. Asia Minor. Presented by Charles Fellowes, 



Esq. 

 /. Adult, in spirits. Asia Minor. Presented by Dr. Richardson. 



The Caucasian Stellion. Stellio caucasicus, Eichiu. Zool. 

 Spec. Fauna Casp. Cauc. 80, t. 13, /. 1 — 8, skeleton. Lacerta 

 Stellio, Pallas. Lac. muricata, Pallas, (not Gmel.) Stellio vul- 

 garis, Menest. Cat. 64. Eversm. N. Mem. Mosc. 1834, t. 23, /. 1, 



Above greenish ash, varied with rings of black spots ; belly 

 yellowish ; tail mucronate, black-ringed ; feet and side of ears spi- 

 nose mucronate. 



Inhab. Caucasus, Tiflis. 



ff Neck with a small crest. 



The Blue-bellied Stellion. Stellio cyanogaster, Rupp. 

 Ahys. Fauna, 10, t. 5. Dum. et Bib. E. G. iv. 522. Agama gu- 

 laris, Reuss. Mus. Senck. i. 36. 



Nape with a small crest ; belly blue ; scales of the tail mode- 

 rate, fonning simply imbricate whorls. 



Inhab. Arabia. Mus. Francfort and Paris. 



28. Agama, part, Cuv. Trapelus, Wagler. 



Head moderate, rounded, triangular, depressed. Face-ridge 

 angular, with imbricate scales. Crown with irregular scales. Nos- 

 tril lateral, near the front of the muzzle. Ear-drum distinct, 

 sunken. Throat with a longitudinal and one or two cross folds 

 behind. Paratoids and sides of neck with groups of spines. Back 

 slightly crested. Body depressed, with rhombic keeled scales and 

 sometimes with scattered spinose ones. Tail elongate, tapering, 

 with imbricated rhombic scales. Femoral pores none. Preanal 

 pores in a series in front of the cloaca. Toes b-b, the third and 

 fourth of nearly equal length. 



z2 



