37. CYCLURA. 38, CIENOSAURA. 195 



/. Yg. ? (Type of C. nuhila.) 



q, h. Ad., (Stuffed. ? Haslar Collection. 



t. Ad., stuffed. ? 



k. Skull. ? Sir E. Belcher [P.]. 



38. CTENOSAURA. 



Cyclura, part., Harlan, Journ. Ac. PhUad. iv. 1824, p. 250; Wiegm. 



Herp. Mex. pp. 15, 41 ; Diim. S,- Bihr. iv. p. 214 ; Fitzing. Syst. 



Rept. p. 6Q. 

 Cteiiosaura, Wiegm. Isis, 1828, p. 371 ; Fitzing. I, c. ; Gray, Cat. Liz. 



p. 191 ; Bocoitrt, Miss. Sc. Mex., liept. p. ISG. 

 Eii^aliosaurus, Gray, I. c. p. 102. 



Tympanum distinct. Body scarcely compressed ; a dorsal crest ; 

 dorsal scales small. Upper head-scales small. A very strong trans- 

 verse gular fold ; no gular pouch. Digits comi)ressed, with keeled 

 lamellae inferiorly, A short series of fenioral pores. Tail more or 

 less spinose. Lateral teeth tricuspid ; pterygoid teeth, A small 

 sternal fontanelle. A single poststernal rib. 



Central America. 



Synopsis of the Species. 



Lateral caudal spines not stronger 



than upper 1, acantJmra, p. 195. 



Lateral caudal spines the strongest ; 



tail feebly depressed at the base . . 2. hemilopha, p. 197. 

 Lateral caudal spines the strongest ; 



tail strongly depressed at the base. 3. quinqnecarinata, p. 198. 



1. Ctenosaura acanthura. 



Ctenosaura acanthura, Gray, Cat. p. 191. 



pectiuata, Gray, I. c. 



Lacerta acanthura, Shaio, Zool. iii. p. 21G. 

 Uromastix acanthurus, 3ferr. Tent, p. 56. 

 Cyclura teres, Harlan, Joiuii. Ac. riiilad. iv. 1824, pp. 246, 250, 



pi. xvi. ; Wiegm. Herp. Mex. p. 4.3. 

 acanthura, Gray, Phil. Mag. (2) iii. 1827, p. 55; Dum. 8f Bibr. 



iv. p. 222 ; Sumichrast, Arch. Sc. Phys. Nat. xix, 18G4, p. 49 ; 



GUnth. Biol. C.-Am., Rept. p. 56. 

 Ctenosaura cycluroidea, Wiegm. Isis, 1828, p. 371 ; Bocourt, Miss, 



Sc. Mex., Rept. p. 143. 

 Iguana (Ctenosaura) cycluroides. Gray, Griff, A, K. ix. Syn. p. 37. 

 ( ) acanthura, Gray, I. c. p. 38. 



( ) armata, Gray, I. c. 



( ) similis, Gray, I. c. 



( ) lanceolata, Gray, I. c. 



(Cyclura) teres, Gray, I. c. p. 39. 



Cyclura pectinata, Wiegm. Herp. Mex. p. 42, pi. ii. ; Bian. ^^ Bibr. 

 iv. p. 221. f 



o2 



