﻿484 7. XANTUSUDJE 



single specimen taken at San Francisquito, Sierra Laguna, in 

 the Cape Region of Lower California, Mexico. The Na- 

 tional Museum has a second specimen taken at La Laguna in 

 the same mountain range. 



100. Xantusia henshawi Stejneger 



Henshaw's Night Lizard 



Plate 50 



Xantusia henshawi Stejneger, Proc. U. S. Nat. Mus., Vol. XIV, 1893, 

 p. 467 (type locality, Witch Creek, San Diego County, Cal- 

 ifornia); Van Denburgh, Proc. Cal. Acad. Sci. (2), V, 1895, p. 

 530; Van Denburgh, Occas. Papers Cal. Acad. Sci., V, 1897, p. 

 128; Ditmars, Reptile Book, 1907, p. 183; Van Denburgh, Copeia, 

 No. 27, 1916, p. 14; Grinnell & Camp, Unir. Cal. Publ. Zool., 

 Vol. 17, No. 10, 1917, p. 171; Stejneger & Barbour, Check List 

 N. Amer. Amph. Rept., 1917, p. 64; Stephens, Trans. San Diego 

 Soc. Nat. Hist., Vol. Ill, No. 4, 1921, p. 63. 



Zablepsis henshavii Cope, Am. Nat., XXIX, 1895, pp. 758, 860; Cope, 

 Report U. S. Nat. Mus. for 1898, 1900, p. 553, fig. 100. 



Xantusia picta Cope, Am. Nat., XXIX, 1895, pp. 859, 939 (type locality, 

 "Tejon Pass, California"); Ditmars, Reptile Book, 1907, p. 182; 

 Van Denburgh, Copeia, No. 27, 1916, p. 14. 



Description. — Body greatly depressed, with very short 

 limbs. Upper surface of head very flat. Three folds on 

 throat. Nostril opening in a small scute at junction of ros- 

 tral, internasal, postnasal and first labial plates. Rostral 

 broad and rather low, bounded by first labial, nasal and 

 internasal plates. Two internasals followed by a large sub- 

 quadrate frontonasal, sometimes divided longitudinally; 

 behind this two prefrontals, bordered posteriorly by broad 

 frontal and first superciliary plates. Each of two fronto- 

 parietal plates in contact with frontal, second, third and 

 fourth superciliaries, first supratemporal, parietal, interpa- 

 rietal, and its fellow of opposite side. Parietals and inter- 

 parietal bordered behind by two large occipitals. One or 



