190 



TGUANID^. 



tubercles ; ventral scales small, larger than dorsals, smooth or indi- 

 stinctly keeled. Limbs strong, digits long and slender. Twelve to 

 eighteen femoral pores on each side. Tail stroDgly compressed, 

 crested above, covered with uniform keeled scales which are larger 

 inferiorly. Green or greenish, lighter beneath ; upper surfaces uni- 

 form, or speckled or variegated with darker and lighter ; usually 

 dark, light-edged, undulated vertical bars down the flanks, tail with 

 more or less distinct dark annuli ; usually a whitish baud in front 

 of the arm. 



centim. 

 Total length 139 



7-5 



Head 



Width of head 5 



Body 31-5 



South America to Nicaragua ; 



centim. 



Fore limb 18 



Hind limb 28 



Tail 100 



West Indies. 



a,h. Ad., stuffed. 



c. Ad., skeleton. 



d. 6. 



e. Hgr., $ . 



K. Ad., stuffed. 



X, /n. Ad., stuffed. 



V, t) 0> TT, p, ?, d $ . 



W. Indies. 



W. Indies. 



Island of St. Thomas. 



Dominica. 



Tobago. 



Trinidad. 



W. coast of America. 



Nicaragua. 



Panama. 



Ecuador. 



W. Ecuador. 



Sarayacu, Peru. 



Venezuela. 



British CTuiana. 



Vryheids Lust, Demerara. 



Surinam. 



Surinam, 



Brazil. 



Pevnambuco, 



Pernambuco, 



Recife, I'ernambuco, 



Bahia. 



LTpper Amazons. 



? 



A. Ludlam, Esq. [P.]. 



Mr. Bridges [C.]. 



Capt. T. C. Dow [P.]. 

 Mr. Eraser [C], 

 Mr, Eraser [0,], 

 W, Davis, Esq. [C.]. 



Rev. W. T. Turner [C.]. 

 Mr. Bartlett [C.J. 



J. P. G. Smith, Esq. 

 J. P. G. Smith, Esq. 

 W. A, Eorbes, Esq, [P,]: 



P,], 

 P.I. 



Capt. Kellpt and Lieut. 

 Wood [P.]. 



Yar. rhinolopha. 



Iguana rhiuolophua, Grap, Cat. p. 186. 

 Iguana rhinolopha, JJ'iec/m. Her}}. Mex. p. 44 ; Dum. Sf Bibr. iv. 



p. 207 ; Su7nichrad, Aixh. Sc. P/??/s. iV^a^. xix. 1864, p. 50; Cope, 



Froc. Am. Phil. Soc. 18G9, p. 161 ; Bocourt, Miss. Sc. Mex., Bept. 



p. 1.34. 

 Metopoceros cornutus (iionDaud.), Tyhr, Proc, Zool. Soc. 1850, p. 106, 



pi. iii. 



