new South. American Rejjtiles. 113 



Anolis scapularis. 



Head not quite as long as broad, slightly shorter than the 

 tibia; forehead concave; frontal ridges distinct; the larger 

 upper head-scales strongly keeled ; scales of the supraorl)ital 

 semicircles enlarged, separated by two series of small scales; 

 about twelve enlarged, strongly keeled supraocular scales ; 

 occipital large, larger than tiie ear-opening, separated from 

 the supraorbital scales by three series of scales ; canthus 

 rostralis sharp, canthal scales four ; loreal rows six ; seven 

 upper labials to below the centre of the eye ; ear-opening 

 moderate, oval. Gular appendage large ; gular scales small. 

 Body compressed ; no dorso-nuchal fold. Scales granulai-, 

 very minute on the sides, larger and keeled on the vertebral 

 region, larger still and smooth on the belly. The adpressed 

 hind limb reaches the posterior border of the eye; digital 

 expansions moderate; 14 lamellai under phalanges ii. and iii. 

 of the fourth toe. Tail slightly compressed, with keeled 

 scales, tli,e median dorsal series of which is enlarged. Male 

 without enlarged postanal scales. Pale golden, with bright 

 yellow gular appendage ; a brown cross-band between the 

 eyes, some dark blotches on the back, and an oval blackish 

 spot above the insertion of the arm ; tibia with dark and 

 light oblique bars. 



mm. 



Total length 110 



Head 12 



Width of head 7 



Body 31 



Foro limb 18 



Hind limb 31 



Tibia 10 



Tail 77 



A single male specimen from the Province Sara, Eastern 

 Bolivia, altitude tJOO metres. From the collection of Mr. J. 

 Steinbaclj. 



Allied to A. ortonii, Cope. 



Polychrus Uogaster. 



Agrees in most respects with P. marmoratus, L., but ventral 

 scales smooth or very faintly keeled. Dorsal scales feebly 

 uni-, bi-, or tricarinatc; gular crest very distinct in the male, 

 less so in the female. 10 to 12 femoral pores on each side. 

 Male green, with a broad reddish-brown vertebral band; 

 females olive or reddish brown with angular dark(u- cro.ss-bar.H 

 on tlu' back ; two black lines from the eye to the neck, 



Ann. d- Miuj. X. Hist. Scr. S. Vol. i. 6 



