166 IGUANID^. 



contact with the rostral ; supraorbitals in contact ; supraoculars 

 five or six, band-like, separated from the supraorbitals by a series 

 of small scales ; parietals two pairs on one row, outer pair at least 

 twice as large as inner. A strong < -shaped fold on the side of the 

 neck, the scales of which are pointed, imbricate, and keeled. Dorsal 

 crest, a feebly serrated ridge. Dorsal scales large, broader than 

 long, not or but very slightly mucronate, feebly serrated posteriorly, 

 the keels forming continuous slightly oblique lines ; lateral scales 

 smaller than dorsals ; ventrals nearly as large as dorsals, smooth, 

 rounded, broader than long ; forty-three scales round the middle of 

 the body. The adpressed hind limb reaches the eye. Tail strongly 

 compressed, the crest more developed than on the body. Olive 

 above, with small lighter spots, with or without blackish marblings 

 on the flanks ; throat marbled with dark olive. 



miilim. 



Fore limb 47 



Hind limb 82 



(Type.) 

 W. S. MacLeay,Esq.[P.]. 

 (Types of L. macleai/n.) 



8. Liocephalus herminieri. 



Leiocephalus herminieri, Gray, Cat. p. 217. 

 Holotropis herminieri, Dum. Sf Bibr. iv. p. 261, pi. xliv. 

 Liocephalus herminieri, Cope, Proc. Ac. I'lii/ad. 1868, p. 122. 



Upper head-scales large, more or less distinctly striated ; nasal in 

 contact with the rostral ; supraorbitals separated by a series of 

 smaller scales ; supraoculars sis or seven, band-like ; seven or eight 

 elongate shields across the occipital region. A strong oblique fold 

 in front of the arm. Dorsal crest well developed, its height equal- 

 ling the diameter of the eye-opening. Dorsal scales large, the keels 

 forming continuous oblique series ; lateral and ventral scales smaller, 

 keeled. The adpressed hind limb reaches the angle of the mouth. 

 Tail strongly compressed, crested like the back. Greenish brown 

 above, with or without irregular yellowish cross-bands on the back ; 

 head yellowish, with four or five vertical black bars on each side ; 

 lower surfaces yellowish ; throat with oblique transverse black 

 bands. 



miilim. miilim. 



Total length 319 Fore limb 56 



Head 37 Hind limb 104 



Body 102 Tail (reproduced) . . 180 



Trinidad ; Martinique. 



a. Adult, skeleton. Martinique. 



