260 3. IGUANIDJE 



smaller than dorsals, smooth, sometimes bicuspid on chest 

 and throat. A well developed lateral fold usually present 

 between limbs. Scales largest on tail, imbricate, strongly 

 keeled, and mucronate above, below and on sides. Posterior 

 surfaces of thighs covered with small granular scales similar 

 to those on sides of bodyj other surfaces of limbs provided 

 with imbricate scales, keeled on dorsal surfaces. Femoral 

 pores 14 to 22 $ average in 100 thighs, 17.04. Thirteen to 

 1 6 dorsals equal shielded part of head. Males without en- 

 larged postanal plates. 



The head is uniform olive brown above and laterally, 

 sometimes pink or brick red in females. The central por- 

 tion of the neck and the back of the body are grayish, yel- 

 lowish or reddish brown with thickly scattered dots of pale 

 blue. The sides and limbs are brown, slaty or almost black, 

 often with scattered scales of pale blue which may outline 

 vertical blackish blotches. These blotches may be indefinite 

 or may form a regular series of large rounded ocelli along 

 the side. In front of the shoulder is an intense black blotch 

 or collar, bordered with pale blue or yellow, and sometimes 

 connected with its fellow across the back. The tail is olive 

 or yellowish brown, unicolor or more or less distinctly cross- 

 barred with darker brown. Similar cross-bars may be pres- 

 ent on the body. The lower surfaces are yellowish white 

 more or less heavily suffused with gray on the throat, body, 

 limbs and base of tail. 



The female and young may have the back dark brown 

 with a central row of light spots and a dorsolateral light 

 band of yellowish or brownish gray. The limbs may be 

 cross-barred. 



