28. UEOMASTIX. 407 



■whorls of large spinose scales not separated by smaller ones, 

 inferiorly with smaller scales, two or three whorls corresponding to 

 one of the upper surface. Greyish above, dotted or vermiculated 

 with blackish ; lower surfaces lighter, uniform or marbled with 

 blackish. 



Total length 339 millim. 



Head 47 „ 



Width of head 41 „ 



Body 167 „ 



Fore limb 70 „ 



Hind limb 97 „ 



Tail 125 „ 



North Africa. 



a. StuflFed. N. Africa. 



b,c. (J . N. Africa. Zoological Society. 



d. cf . Biskra, Algeria. J. Brenchley, Esq. [P.]. 



e,f. Hgr., skeletons. Algeria. 



3. Uromastix spinipes. 



Uromastix spinipes. Gray, Cat. p. 261. 

 Stellio spinipes, Baud. Mept. iv. p. 31 ; Qepffr. Descr. Egypte, i. 



p. 125, pi. ji. fig. 2. 

 Uromastix spinipes, Merr. Tent. p. 56 ; Dum. 8^ Bibr. iv. p. 541 ; 



Duvern. M. A., Sept. pi. xiii. fig. 2 ; Schreih. Herp. Eur. p. 474. 

 Mastigura spinipes, Flem. Phil. Zool. ii. p. 277. 



Distinguished from the preceding by the much smaller scales and 

 the presence of scattered small tubercles on the flanks. Sandy-grey 

 or greenish above, uniform or clouded with brown. 



Total length 452 millim. 



Head 46 



Width of head 46 „ 



Body 216 „ 



Fore limb 112 „ 



Hind limb 140 „ 



Tail 190 „ 



Egypt ; Crete ; Arabia. 



a. Ad., stuifed. Egypt, 



h, V. d & hgr. Egypt. 



d,e. 2- %ypt' 



/. Skeleton. Egypt, 



ff, h. Skeletons. Egypt, 



». Hgr. Arabia, 



J. Burton, Esq. [P.]. 

 Dr. Eiippell. 

 Capt. Burton [P.]. 



4. Uromastix microlepls. 



Uromastix microlepis, Blanf. Proe. Zool. Soc. 1874, p. 656, pi. liii., 

 and E. Persia, p. 334. 



