COLOMBIAN BATRACHIAJfS AND REPTILES. 1031 



6, AXOLIS PRINCEPS Blgr. ^ 



This handsome lizard, one of the largest of the genus, was 

 originally described from specimens from ISF.W. Ecuador. It has 

 since been found in Choco, at Oondoto and Tado, by Mr. M. G. 

 Palmer. 



'' Yellowish grass-green, brighter about head and neck, with 

 yellow blotches round eyes ; diagonal markings brownish black ; 

 gular appendage white." 



7. Anolis breviceps, sp. n. (PI. OYII. fig. 1.) 



Head once and two-thirds as long as broad, slightly shorter 

 than the tibia ; snout obtuse ; forehead and interorbital region 

 concave; frontal ridges short and divergent ; upper head-scales 

 very small, keeled; scales of the supraorbital semicircles enlarged, 

 separated by four or five series of scales ; enlarged, strongly 

 keeled supraocular scales ; occipital as large as or larger than the 

 ear-opening, separated from the supraorbital by three or four 

 series of scales ; canthus rostralis sharp, canthal scales three or 

 four ; loreal rows seven or eight ; seven upper labials to below 

 the centre of the eye ; ear-opening moderate, vertically oval. 

 Gular appendage very small in males, barely indicated in females ; 

 gular scales keeled. Body not compressed ; no dorso-nuchal fold. 

 Dorsal scales very small, keeled, gradually merging into the 

 minute granules of the sides; ventrals larger, roundish-hexagonal, 

 keeled. Limbs slender ; the adpressed hind limb reaches the 

 tip of the snout, or between the eye and the tip of the snout ;- 

 digits feebly dilated; 13 to 15 lamellse under phalanges II and 

 III of the fourth toe. Tail cylindrical, once and a half to once 

 and two-thirds as long as head and body, without vertebral series 

 of enlarged scales. Male with enlarged postanal scales. Grey- 

 brown to dark brown above, with" a ventral series of blackish 

 dots or small V-shaped markings; a dark brown, black-edged 

 cross- band between the eyes and another band from the end of 

 the snout, through the eye, to the side of the neck, very broad 

 and sharply defined on the temple ; a more or less distinct 

 whitish streak may be present below this band. 



c? • $ 



Total length 108 124 mm. ■ 



Head 12 13 



Width of head. 8 9 



Body :... 30 35 



Fore limb 21 21 



Hind limb 40 40 



Tibia 13 13^ 



Tail 66 76' 



Three specimens. 



Near the Central American A. godmani Blgr. Distinguished 

 by the shorter head, the smaller gular appendage, and the shorter 

 tail. 



