130 IGUANID.E. 
a whorl of much smaller scales, which are smooth and shorter on 
the upper surface of the tail, longer and keeled on the lower sur- 
face; the large candal scales at least four times as large as the 
largest tibials. Olive above, with one to seven uninterrupted trans- 
verse black bands on the nape and back, that between the fore 
limbs being constant; lower surfaces and tail yellowish, throat 
bluish grey or with bluish-grey reticulation. 
Total length .......... 260 millim. 
Head sicciaca eke eee 29° ,, 
Width of head ........ 23. 45 
Body: caaiee sh teenewies 91 y, 
Fore limb ..... ...... 56 —C,, 
Hind limb............ 82, 
Tail (reproduced) ...... 140 __—, 
Madagascar. 
a,b,c. Ad. & yg. —? Sir E. Belcher [P.}. 
2. Hoplurus cyclurus. 
Tropidurus cyclurus, Gray, Cat. p. 225. 
Cordylus brasiliensis, var. 8, Law. Syn. Rept. p. 52. 
Uromastyx cyclurus, Merr. Tent. p. 56; Weed, Nova Acta Ac. Leop.- 
Carol. xiv. 1828, 1. p. 129, pl. xv. 
Oplurus torquatus, Cuv. &. A. 2nd ed. ii. p. 48. 
Tropidurus cuvieri, Gray, Grif. 4. K, ix. Syn. p.41. 
Oplurus maximiliani, Dum. §& Bibr. iv. p. 365. 
Doryphorus maximiliani, Frtzing. Syst. Rept. p. 77. 
Hoplurus barnardi, part., Peters, Mon. Berl. Ac. 1854, p. 616. 
—— cyclurus, Peters, Reise n. Mossamb. iii. p. 32, pl. vi. fig. 2. 
Upper head-scales very feebly keeled; occipital moderate; an- 
terior border of car not denticulated. Nuchal crest merely indi- 
cated by a few tubercular scales. Dorsal scales very slightly larger 
than ventrals, roundish, subimbricate, smooth or indistinctly keeled ; 
gular and ventral scales smooth. Scales on the limbs keeled, larger 
than dorsals. Tail little longer than head and body, with whorls 
of large spinose keeled scales which are larger than in H. sebe, and 
have the posterior edge finely serrated. Olive above, with more or 
less distinct dark cross bands on the nape and back, that between 
the fore limbs black, and interrupted on the dorsal line; lower sur- 
faces whitish, throat variegated with grey. 
Total length .......... 139 millim. 
Head oc scan edie ead 18° 4 
Width of head ........ 18 ,, 
Body psesladnce eae Ae ei 46, 
Fore hinb.aicii se beens as QT 45 
Hind MM wise dosed ins es 41 ,, 
CATE xe png cass Gardyiceeatanloats TO ks 
Madagascar. 
a. Her. =P 
