8 IGUANIDiE. 



Pseudocham^leon cocteaui, Fitz. I. e. 



Anolis femandina, Reinh. ^ Liitk. Vidensk. Meddel. 1862, p. 170. 



? Chamjeleolis porcus, Cope, Proc. Ac. Philad. 1864, p. 168. 



Head very large, chamfeleon-like, twice as long as broad, raised 

 posteriorly ; upper surface concave, covered with irregular, rough, 

 bony tubercles, largest on the prominent canthus rostralis ; nostril 

 near the tip of the snout ; eye-opening very small ; ear-opening 

 small, vertically oval, a small dermal process above it ; labials 

 numerous ; rostral and mental small, latter bisected ; several rows 

 of enlarged scales near the infralabials. Gular scales minute, 

 granular ; a double row of small triangular lobes on the chin ; gular 

 appendage large, extending to the posterior extremity of the thorax. 

 Body strongly compressed. Dorso-nuchal crest attached to the 

 posterior border of the casque, decreasing gradually in height, its 

 edge scarcely denticulated ; it is covered with longitudinal rows of 

 roundish flat tubercles, separated by wrinkled subgranular skin. 

 Body covered above and on the sides with large, round, flat scales, 

 separated by intervals occupied by much smaller ones ; ventral 

 region minutely granulate. Limbs rather short, the adpressed hind 

 limb reaching axilla ; digits strongly dilated. Tail very strongly 

 compressed, as long as head and body, covered with large, juxta- 

 posed, irregular smooth scales, inferiorly with smaller keeled ones. 

 Brownish, variegated with yellowish: gular appendage purplish. 



Total length 325 millim. 



Head (to extremity of casque) 66 ,, 



Width of head 35 „ 



Body 110 „ 



Pore limb 59 „ 



Hind limb 80 „ 



Tail 160 „ 



a. ^. Cuba. W. S. MacLeay, Esq. [P.]. 



2. XIPHOCERCUS. 



Anolis, part., Bum. Sf Bilr. iv. p. 85; Gray, Cat. Liz. p. K9. 

 Xiphocercus, Fitzing. Syst. Bept. p. 67 ; C'o/?e, Proc. Ac Philad. 1861, 



p. 215. 

 Placopsis, Gosse, Ann. ^- 3Iag. N. H. (2) vi. 1850, p. 346. 



Tympanum distinct. Body compressed, covered above wdth un- 

 equal-sized flat scales. Dorso-nuchal crest very slightly developed 

 or absent. Head with large shields. Ko transverse gular fold. 

 Male with a non-inflatable folding gular appendage. Digits strongly 

 dilated, inferiorly with smooth transverse lamellae, the distal joints 

 slender and compressed. Xo femoral or prfeanal pores. Tail mode- 

 rately long, strongly compressed, prehensile. Lateral teeth tri- 

 cuspid ; pterygoid teeth. Ko sternal fontanelle. Abdominal ribs. 



Tropical Ame^^iea. 



