25'8 EEPTILES. 



N. ed. 12,265. Seba, Tlies. i. t. 83,/. 1, 2, t. 109,/. 6, ii. t. 8,/ 7. 

 Lawr. Rept. 51. Zair. i2^;:><. ii. 26. Daud. Rept. iii. 406 (not fig.). 

 Kuhl, Beytr. 114. A. gemmata, Daud. Rept. iii. 410. A. aspera, 

 Daud. Rept. iii. 402. A. aculeata, Cmu. R. A. ii. 36, (not Mer- 

 rem). A. spinosa, Dum. et Bib. E. G. iv. 502, (not Gray). 



Pale brown, with 2 series of brown spots on the back ; head 

 brown cross-banded ; the head short, blunt ; head-scales convex, 

 acute ; forehead, temples and occiput with some many-sided tu- 

 bercular scales; ear-hole small, upper and front edges armed with 

 large points ; sides of the neck with groups of tubercular spines ; 

 nape and back crested; scales of the back unequal, a central and 

 3 or 4 other series of large 3-sided spines, of the belly keeled ; the 

 tail short, conical. 



a — d. Stuffed. Cape of Good Hope. 



e — g. Adult and young, in spirits. Cape of Good Hope. 



h. Adult, in spirits. Presented by Townsend, Esq. 



i. Adult, in spirits. From Mr. Mantell's collection. 



29. Trapelus, part, Cuvier. 



Head moderate, convex, covered with unequal scales. Para- 

 toids armless. Neck contracted. Eyelids with a fringe of small 

 scales. Back not (or very slightly), crested with imbricate scales. 

 Tail slender, with imbricate scales. Toes 5-5, slender. Femoral 

 pores none. A series of pores on the front edge of the vent. 



* Third and fourth toes unequal. Ears with a series of small 

 dependant scales. Trapelus. 



f Back slightly crested. 



The Crested Trapelus. Trapelus Savignii. Agama Sa- 

 vignii, Audouin, R. E. Dum. et Bib. E. G. iv. 508. Savigny, 

 Rept. Egypt. Supp. t. 1,/ 5. 



Scales of forehead swollen, of the eyebrow nearly flat ; interpa- 

 rietal plate moderate ; nape and back with a crest ; upper edge of 

 the ears armed with points ; scales of the back rather large, equal, 

 rhomboidal, keeled; tail long, rather compressed; scales of the 

 head and nape ending in a pore. 

 a, b. In spirits. Egypt. Presented by J. Burton, jun. Esq. 



ff Back not crested. 



The Variable Trapelus. Trapelus ruderata. Agama ru- 

 derata, Oliv. Voy. Ottom. ii. 428, t. 29, f. 3. A. orbicularis, Daud. 

 Rept. iii. t. 45,/. 1. A. variabile, /. Geoff. Rept. Egypt, t. 3,/. 

 3, 4. Supp. t. l,f. 6. A. mutabilis, Merrem, Tent. 50. Dum. et 

 Bib. E. G. iv. 505. Trapelus ^gypticus, Cuv. R. A. ii. 37. Gray, 

 Griff. A. K. vs.. 58. A. deserti, 'Licht. A. pallida, Reuss. Mus. 

 Senck. i. 38, t. 3,/. 3. A. nigrofasciata, Reuss. Mus. Senck. i. 42. 



