19. AOAMA. 



359 



the vertebral region ; a slight nuchal dentieulation ; a more or less 

 marked curved fold from the neck to the middle of the side ; 

 ventral scales smooth. Limbs moderately elongate, with compressed 

 digits ; the scales on the upper surface of the limbs irregular in size, 

 ' keeled ; third and fourth fingers nearly equal ; fourth toe very 

 slightly longer than third, fifth extending beyond first. Tail 

 very slightly compressed, about twice as long as the distance from 

 gular fold to vent ; the scales strongly keeled, and forming rather 

 regular annuli, those on the upper surface much enlarged, with 

 denticulated edge. Male with a double row of anal pores. Olive 

 or brown above, marbled or reticulated with blackish ; young with 

 >0^-shaped black markings across the back ; a large black spot in 

 tront of the shoulder ; lower surfaces lighter ; throat with dark 

 network, blue in the male. 



Total length . . 360 millim. Fore limb 70 millim. 



Head 38 „ Hind Hmb 95 „ 



Width of head 37 „ Tail 220 „ 



Body 102 „ 



South Africa. 



«-c. d, ? 

 d-e. d ? ■ 

 f,ff- 2 &• yg- 

 h. <S- 

 i. 6- 

 k. c?. 



I. ?. 



& hsrr. 



Natal. 



Natal. 



Natal. 



Lamo. 



S.E. Africa. 



Duqne de Bragauce, 



Angola. 

 S. Africa. 



Sir A. Smith [P.]. (Types.) 

 J. Ay res, Esq. [0.']. 



Sir J. Kirk [P. 1- 

 Sir J. Kirk [P.]. 

 Prof. B. du Booage [P.]. 



J. H. Gurney, Esq. [P.]. 



29. Agama cyanogaster. 



SteUio cyanogaster. Gray, Cat. p. 255. 

 ? Agama gularis, Reuss, Mus. Senck. p. 36. 

 SteUio cyanogaster, Riipp. N. Wirbdth. Faun. Abyss., Rept. p. 10, 



pi. V. ; Dum. 8^ Bib>-. iv. p. 532. 

 Acanthocercus cyanogaster, Fitzing. Sysl. Rept. p. 84. 

 Agama (Stellio) cyanogaster, Blanf. Zool. Abyss, p. 446. 



Head moderfitely depressed ; nostril lateral, not tubular, below 

 the canthus rostralis ; upper head-scales smooth ; occipital not 

 enlarged J small conical spinose scales on the sides of the head 

 near the ear; latter exposed, larger than the eye-opening ; throat 

 strongly plicate, no gular pouch. Body, depressed, with a distinct 

 fold on each side of the back ; dorsal scales rather large, irregular, 

 feebly keeled on the vertebral region, minute and intermixed with 

 enlarged ones on the sides ; a series of small spinose scales on the 

 dorsal folds ; ventral scales smooth, smaller than the largest dorsals.. 

 Lim.hs moderately elongate, with compressed digits ; the scales on 

 the upper surface of the limbs irregular in size, keeled ; fourth 

 finger very slightly longer than third ; fourth toe very sliglitly 

 longer than third, fifth extending beyond first. Tiil round, nearly 



