356 AGAMIBJE. 



of whicli nearly equals that of the caudals ; twenty-six or twenty- 

 seven dorsal scales from the origiu of the fore hmbs to the origin of 

 the hind limbs. 

 Somali Land. 



25. Agama colouoram. 



Agama occipitalis, Oray, Cat. p. 256. 

 Agama colonorum, part., Daud. Mept. iii. p. 350. 



occipitalis, Oray, Griff. A. K. ix., 8yn. p. 66. 



colonorum, Dum. 8r Bihr. iv. p. 489. 



Podorrhoa colonorum, Fitzing. Syst. Hepi. p. 30. 



Agama colonorum, var. congica, Peters, Man. Berl. Ac. 1877, p. 612. 



pioticauda, Peters, Men. Berl. Ac. 1877, p. 612. 



Head small, rather depressed. Nostril tubular, directed upwards 

 and backwards, pierced in the posterior part of a small nasal on the 

 canthus rostralis. Upper head-scales smooth or feebly keeled ; 

 generally a narrow elongate scale on the middle of the snout ; occi- 

 pital enlarged ; nine or ten upper labials ; sides of head, near the 

 ear, and neck with groups of short spines, the longest of which are 

 considerably shorter than the diameter of the ear-opening ; latter 

 large, entirely exposed, larger than the eye-opening. Throat much 

 plicate ; no regular gular pouch. Body not much depressed, the back 

 slightly keeled, covered with rather large, rhomboidal, mucronate 

 imbricate scales with strong keels converging towards the vertebral 

 line ; these dorsal scales smaller than the caudals, numbering forty 

 to sixty from the origin of the fore limbs to the origin of the hind 

 Hmbs (counting on the vertebral line) ; a distinct nuchal but no dorsal 

 crest ; ventraL scales much smaller than the dorsals, smooth or feebly 

 keeled ; sixty to eighty scales round the middle of the body. Limbs 

 long and strong, digits elongate ; tibia longer than the skull (to occi- 

 put) ; third and fourth fingers equal, or fourth slightly longer ; fourth 

 toe a little longer than third, fifth extending beyond first. Tail about 

 twice and a half as long as the distance from gular fold to vent, 

 roundish in the female, compressed and keeled above in the male, 

 covered with large strongly keeled scales forming rather distinct 

 annuli. Male with a row of anal pores. Olive or brown above, 

 the young with light spots and lines arranged symmetrically ; lower 

 surfaces lighter, uniform or marbled with grey, blackish in the 

 breeding male. 



Total length 347 miUim. 



Head 27 



Width of head 23 



Body 100 



Tore limb 63 



Hind limb 92 



Tail 220 



West Africa. 



a-d, e. S ■ W. Africa. Dr. Stanger [P.]. 



/, g,h. S &. hgr. W. Africa. W. Raddon, Esq. [P.l. 



i-h.Yg. W.Africa. Mr. Fraaer [C.]. 



