350 



A6AMID2. 



head-scales unequal, rough, keeled, or subeonical ; forehead convex, 

 with enlarged subeonical scales ; occipital enlarged ; back of head 

 with large conical spinose scales ; ear-opening small, not quite as 

 large as the eye-opening. Male without a regular gular pouch. 

 Body depressed, covered with moderately large, imbricate, strongly 

 keeled scales intermixed with strongly enlarged, spinose, raised ones ; 

 a well-marked dorsal and nuchal crest ; ventral scales more or less 

 strongly keeled and mucronate. Limbs moderate ; tibia as long as 

 the skull (to occiput) ; fingers short, third longest ; toes short, third 

 longer than fourth, fifth not extending as far as first. Tail once 

 and one fourth to once and a half as long as the distance from gular 

 fold to vent, rounded, covered with strongly keeled scales, the basal 

 portion intermixed with enlarged spinose scales. Males with a row 

 of anal pores. Brown or olive, spotted with darker ; lower surfaces 

 dirty white, in the young with wide-meshed grey reticulation ; throat 

 of the breeding male blue. 



Total length 187 millim. 



Head 23 „ 



Width of head 24 „ 



Body 67 „ 



Fore limb 49 „ 



Hind limb 62 „ 



Tail 97 „ 



South Africa. 



a, b, c, d, e,f. Cape of Good Hope. 



Ad., stuffed. 



g. (S . Cape of Good Hope. Prof. Busk [P.]. 



h. $ . Cape of Good Hope. Sir E. Belcher [P.]. 



t. (S . Cape of Good Hope. Dr. Lea [P.]. 



k. (S . Cape of Good Hope. — Townsend, Esq. [P.]. 



/, m, n-o. Hgi'. & Cape of Good Hope. 



p. c?. Africa. 



17. Agama hrachyura. (Plate XXVIII. fig. 1.) 



Head short, convex, subcordiform. Nostril not tubular, lateral, 

 pierced just below the canthus rostralis in a convex nasal. Upper 

 head-scales smooth ; forehead convex ; occipital enlarged ; sides of 

 head posteriorly and neck with small spines ; ear-opening a little 

 smaller than the eye-opening. Body depressed, covered with 

 moderately large imbricate strongly keeled scales intermixed with 

 strongly enlarged spinose ones ; ventral scales smooth. Limbs 

 moderate ; tibia as long as the skull (to occiput) ; fingers short, 

 third longest ; fourth toe very slightly longer than third, fifth not 

 extending as far as first. Tail shorter than head and body, a little 

 longer than the distance from gular fold to vent, rounded, covered 

 with strongly keeled scales. Olive-brown above, with a double 

 series of large dark spots on the back, each pair separated on the 



