128 GEREnOSAUEID-E. 



side. Tail about once and two thirds the length of head and body. 

 Olive-brown above, spotted with black, usually with a broad pale 

 greenish, black-edged band on each side of the back, commencing 

 from the last supraocular ; lower surfaces greenish white. 



millim. millim. 



Total length 344 Fore limb 37 



Head 24 Hind limb 66 



Width of head .... 18 Tail 220 



Body 100 



Madagascar and neighbouring islands. 



a, b. Ad. & yg. ]\radagascar. Dr. J. R Gray [V.y (Types.) 



c-e. Ad. & h"gr. Madagascar. Mr. T. Waters 



ay I r.j. 



srs [C.]. 

 f-i. Ad. " Madagascar. E. Newton, Esq. [P.]. 



h. Ad. Anzahamaru. 



I. Ad. Nossi B€. 



m-n. Ad. Glorioso Islands. Dr. Coppinger [C.]. H.M.S. 



' Alert.' 



2. Zonosaurus ornatus. 



Cicigna ornata, Gray, Cat. p. 50. 

 Cicigna madagascariensis, var. ornata, Gray, Griff. A. K. ix. Syn. 



p. 64. 

 Gerrhosaunis lineatns, Cocteau, Mag. de Zool. 18.34, cl. iii. pi. v. ; 



Dum. 8f Bihr. p. 378. 

 oraatus, Boeftff. Ahh. Senck. Ges. xi. 1877, p. 35. 



A small interparietal. The strong central keel of the dorsal 

 scales persists in the adult ; the dorsal scales form 24 or 26 longi- 

 tudinal series. Femoral pores 10 to 15. Otherwise as in Z. mada- 

 gascariensis. Pale olive above, with sis longitudinal black bands 

 on the back ; sides and limbs spotted or marbled with black. 



millim. millrm. 



Total length 222 Fore limb 2b 



Head 17 Hind hmb 42 



Width of head .... 13 Tail 135 



Body 70 



A larger specimen, with imperfect tail, measures 115 millim. 

 from snout to vent. 

 Madagascar. 



a. Ad. Madagascar. Dr. J. E. Gray [P."]. (Type.) 



b-d. Ad. t^' yg. Madagascar. J. Caldwell. Esq. fP.]. 



e. Ad., stuffed. Madagascar. Sir A. Smith [P.]. 



3. Zonosaurus rnfipes 



igna) rufipes, Boetty. Zoo 

 . xxii. 1881, p. 450," pi. i. ; 



A small interparietal is present or absent. Three upper labials 



Gerrhosaunis (Cicigna) rufipes, Boetty. Zool. Anz. 1881, p. 358, and 

 Ahh. Se7icl. Ges. xxii. 1881, p. 450, pi. i. tig. 3. 



