84 



HELLER 



Eight adult males are in the collection. In one specimen the breast 

 and lower jaw are yellowish and the dark area of the throat restricted 

 to a narrow band. Several have the top of the head spotted with light 

 yellow and dark brown spots. Width of light area along base of dor- 

 sal crest variable. Light spots of dorsal surface nearly obsolete in 

 some specimens. 



Length of head and body 88 to 95 mm. 



Coloration in life of adult female, Cat. No. 4740, Stan. Univ. Mus. 

 Whole head, nape, shoulders, back anteriorly and sides of body brick 

 red; fore limbs reddish, becoming olive-gray distally. Dorsal crest 

 and median line of back greenish-gray; dorsum from middle of back, 

 tail and hind limbs above olive-brown, spotted with the color of the 

 dorsal crest. Belly, tail and hind limbs inferiorly light olive-gray. 

 Breast and sides of body light brick red ; throat dark red ; lower jaw 

 light like breast. Fore limbs below brick red proximally, lighter 

 grayish distally. Antehumeral spot black. 



The ten adult females in the collection show scarcely any variation 

 in coloration. Breast in some indistinctly dark-spotted. Alcoholic 

 specimens show no trace of the red on the top of the head. 



Length of head and body 72 to 82 mm. The female approaches 

 nearer the size of the male than in any other Galapagos species except 

 T. bivittatus,, which it nearly equals in this respect. 



Proportions practically the same as in the other species of the Arch- 

 ipelago. In coloration this species is very different from any other. 

 In the small size of the scales it is approached only by T. duncanensis. 



Distributed abundantly over the brushy portions of Abingdon. 

 Absent from the barren lava fields, even along the coast. Occurs from 

 the beaches to the summit of the island but most abundant in the lower 

 belt along the coast. 



MEASUREMENTS OF TrO^iduVUS faCtficUS. ALL ADULT. 



Food chiefly vegetable, varied with insects, etc. Stomachs exam- 

 ined contained berries, hard seeds and blossoms with an occasional 



