74 



HELLER 



Specimens secured near Black Bight are larger and darker, ap 

 preaching T. g. magnus of Narboro in size and coloration. 



Troptdurus grayi. 



TROPIDURUS GRAYI MAGNUS subsp. nov. 



Type. Adult male, Cat. No. 3974, Stan. Univ. Mus., from Nar- 

 boro Island. 



Range. Galapagos Archipelago ; Narboro Island (Hopkins Stan- 

 ford Expedition). 



Subspecific Characters. Males large, length of head and body 

 100 to 105 mm. Under parts dark, the breast and throat black and 

 the belly plumbeous. Females much smaller than the males, length 

 of head and body 63 to 7 1 mm. Scales large, 56 to 60 in circum- 

 ference of body. 



Description of the Type. Coloration above dark olive, nape and 

 dorsal crest greenish-gray, the entire dorsum excepting head, tail and 

 hind limbs spotted with black; tail and hind limbs light blue-gray- 

 spotted ; tail greenish posteriorly. Sides of head olive ; sides of neck 

 and body dark slaty, spotted with black ; a black antehumeral spot. 

 Inferior surfaces of hind limbs, tail and mandible plumbeous, the lat- 



