ZooL.— Vol. IV] VAN DENBURGH— COAST ISLAND REPTILES 19 



Description of the Type. — Body and head considerably depressed; snout 

 low, rounded; nostrils large, opening upward and outward nearer to end of 

 snout than to orbit; head plates large, smooth, nearly flat, interparietal 

 largest; frontal divided transversely; 3 or 4 enlarged supraoculars, separated 

 from the f rentals and frontoparietals by i series of small plates; superciliaries 

 long, narrow and projecting; central subocular very long, narrow and 

 strongly keeled; rostral and supralabials long and low; 6 supralabials; sym- 

 physeal small, followed on each side by a series of 5 or more large plates 

 which are separated from the infralabials by i or 2 series of sublabials; gular 

 region covered with smooth, hexagonal or rounded scales changing to gran- 

 ules on the sides of the neck and to larger imbricate scales on the strong 

 gular fold, largest on the denticulate edge of gular fold where larger than 

 scales on belly; a group of enlarged plates in front of ear-opening; ear den- 

 ticulation very long, of 3 scales, largest exceeding in length longest diameter 

 of largest plate in front of ear; back covered centrally with nearly uniform 

 imbricate, keeled scales which change gradually to granules on neck and 

 sides of body, and become mucronate posteriorly; scales largest on tail, 

 strongly imbricate, strongly keeled and mucronate above and on sides; pos- 

 terior surfaces of thighs and arms covered with small granular scales similar 

 to those on sides of body; other surfaces of limbs provided with imbricate 

 scales, keeled on upper surfaces of arm, forearm, thigh, leg, and foot; 

 adpressed fore limb not reaching insertion of thigh; fifth finger reaching 

 about to end of second; fifth toe reaching to or beyond end of second; 

 femoral pores 15; 17-23 of largest dorsals equaling shielded part of head. 



Head above grayish olive; central portion of neck and back dark brown, 

 with 2 series of rather indefinite darker brown blotches each bordered behind 

 and sometimes laterally by pale blue scales; some scattered pale blue dots 

 on back and upper surfaces of limbs and tail; tail marbled with brown and 

 blue; sides mottled with brown and pale bluish yellow, forming stripes on 

 sides of neck; chin and gular region indigo, mottled with bluish yellow at 

 sides; postaxillary blotch blackish indigo; lower surfaces of body, limbs and 

 tail grayish indigo. 



Length to anus 62 



Length of tail 92 



Snout to ear 15 



Shielded part of head 14 



Width of head 13 



Fore limb 26 



Hind limb 46 



Base of fifth to end of fourth toe 18 



Fifth toe • 10 



Only one specimen of this Uta was secured. 



2. Gerrhonotus scincicauda ignavus subsp. nov. 



Plate VH, Figs. 1-2. 



Diagnosis. — Similar to G. scincicauda but with scales generally more 

 strongly carinate; temporal scales keeled; dorsal and caudal scales strongly 



