﻿84- 3. IGUANIDJE 



lower surfaces are white, suffused on the chin and gular 

 region with very dark reddish brown, which color is solid 

 centrally but outlines large rounded spots on the lower jaw 

 and side of neck. 



Distribution. — Santa Catalina Island, Gulf of Cali- 

 fornia, Mexico. 



Remarks. — This species is distinguished from the others 

 of the genus by the intense brown pigmentation of the chin 

 and throat and the rounded spots on the lower jaws and 

 sides of the gular region where the other kinds have longi- 

 tudinal streaks. 



Type.— No. 50505, Mus. Calif. Acad. Sd.j Joseph R. 

 Slevin, collector, June 12, 1921. 



Type locality. — Santa Catalina Island, Gulf of Cali- 

 fornia, Mexico. 



Genus 5. Sauromalus 



Sauromalus Dumeril, Arch. Mus. d'Hist. Nat., Vol. VIII, 1856, p. 535 



(type, oter). 

 EufAryne Baird, Proc. Acad. Nat. Sci. Phila., 1858, p. 253 (type, 



obesus); Cope, Proc. Acad. Nat. Sci. Phila., 1864, p. 177. 



This genus includes a few species whose relation to the 

 various genera of iguanas is shown not only by their large 



