64 GUANID^. 



which are much smaller than the ventrals. Limbs stout and 

 clumsy ; the adpressed hind limb reaches the end of the snout ; 

 digits feebly dilated. Tail slender, cylindrical, with equal scales. 

 Colour emerald-green, with a broad brown band from the orbit to 

 the middle of the side, and a narrower one on each side of the 

 sacrum ; a dark brown cross band between the supraciliary borders ; 

 a deep brown spot behind the occiput, and a smaller one on the 

 nape ; femur with a longitudinal black band behind, and an oblique 

 one across the superior face ; tibia and forearm with a broad cross 

 band. 



Total length 135 millim. 



Head, to tympanum .... 11 



Length to vent ........ 47 



Fore limb 22 



Hind limb 43 



Tibia 12 



Pico Blanco, Costa Rica. 



59. Anolis pentaprion. 



Anolis (Coccoessus) pentaprion, Cojje, Proc, Ac. Philad. 1862, 

 p. 178. 



Head nearly once and two thirds as long as broad, much longer 

 than the tibia ; forehead slightly concave, no frontal ridges ; upper 

 head-scales small, rough ; supraorbitals and occipital scarcely en- 

 larged ; supraoculars small, smooth ; canthus rostralis obtuse ; 

 loreal rows three ; eight upper labials to below the centre of the 

 eye ; ear-opening moderate, suboval, Gular appendage large ; 

 gular scales minutely granular. Body not compressed ; a slight 

 nuchal fold. Dorsal and lateral scales uniformly granular ; ventrals 

 a little larger, also granular and smooth. The adpressed hiud limb 

 reaches the neck ; digital expansions well developed ; twenty-two 

 lamellae under phalanges ii. and iii. of the fourth toe. Tail little 

 longer than head and body, compressed, subtriangxilar in section, 

 the vertebral angle trenchant, serrate ; four basal angles formed by 

 the continued keels of as many series of large scales, Wo enlarged 

 postanal scales, Eeddish-brown above, marbled with blackish; 

 lower surfaces whitish, with brown variegations. 



Total length 170 miUim, 



Head 21 „ 



Width of head 13 „ 



55 



Body 54 



Fore limb 29 



Hind limb 45 



Tibia 14 



55 



55 



55 



Tail 95 „ 



Colombia; Ecuador. 

 a. (S ' Guayaquil, IMr. Fraser [C.]. 



