27. TROPIDURUS. 



./ / 



band on tho antehumeral fold, usually extending on the scapular 

 region ; lower surfaces yellowish or greyish, throat and breast often 

 marbled with blackish ; the male's throat usually black. 



uiillim. 

 Total length 250 



Head 



"Width of head 

 Uody 



Guianas ; Brazil. 



a-c. ligr. & jg. 

 d. 2. 

 e.2. 

 f, 9- Yg. 

 h-i. J. 



k-l. Hgr. & yg. 

 m-o,p-q,r. J & hgr. 

 s. 6. 



25 

 21 

 75 



Rio Janeiro. 

 Kio Janeiro. 

 Rio Janeiro. 

 Rio Janeiro. 

 Abrolhos Island. 



Brazil. 

 Brazil. 

 S. America. 



millim. 



Fore limb 48 



Hind limb 76 



Tail 150 



C. Darwin, E-^q. [P.]. 



Dr. Cunningham [C], 



The Lords of the Admiralty[P.]. 



G. Busk, Esq. [P.]. 



0. Darwin, Esq. [P.]. (Typos 



of TaraiiHira darwinii.) 

 W. Wriglit, Esq. [P.]. 



8. Tropidurus hygomi. 



Tropidurus hygomi, Reinh. ^- Liitk. Vidensk. Meddel. 1861, p. 228, 

 pi. V. fig. 9. 



The only important difference distinguishing this species from the 

 preceding is the greater width of the band-like supraoculars, which 

 cover nearly entirely the supraocular region, being separated from 

 the supraorbitals by one and from the supraciliaries by one or two 

 series of very small scales. The scales on the body a trifle larger 

 than in T. torqaatus. 



Brazil. 



a. $, 



Brazil, 



Copenhagen Museum [P.]. 

 (One of the types.) 



0. Tropidurus Mspidus. 



Taraguira smithii, Grai/, Cat. p. 221. 

 Agama hispida, Spix, Spec. Nov. Lacert. Bras. p. 12, pi. xv. fig. 2. 



uigrocoUaris, Spix, I. c. p. 13, pi. xvi. fig. 2. 



cyckirus, Spix, I. c. p. 14, pi. xvii. tig. 1. 



Procto'tretus toelsneri, Berthold, Gijttiiuj. Nachr. 1859, p. 179, 

 Trachycyclus superciliaris, Gilnlh. Proc. Zoul, Soc. 1861, p. 16. 

 Tropidurus macrolepis, licinh. i^- Liitk, Vidensk. Meddel. 1861, p. 227, 



pi. V. fig. 8. 

 hispidus, Peters, Mun. Berl. Ac. 1877, pp. 409, 418. 



Distinguished from T. torqucUus by the size of the dorsal scales, 

 which are at least twice as large as the vcntrals. No light bauds 

 along the body, 



Brazil ; Venezuela. 



a,b. J. 



Huhi;i 



Dr. Wucherer [C.]. 



VOL. II. 



