140 CALIFORNIA ACADEMY OF SCIENCES. 



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obliquely keeled scales. Femoral pores varying from 

 nineteen to twenty-five on each thigh. 



The color above is yellowish or grayish brown, becom- 

 ing grayer toward the head and paler on the sides, with 

 seven or nine undulate black bands or longitudinal 

 rows of irregular spots. The upper surfaces of the limbs 

 are brown or gray reticulated with black. On the sides 

 of the head and neck are numerous large, well defined 

 black blotches. The tail is yellowish or olive-brown, 

 darkest along the keels of its upper scales. The lower 

 surfaces are yellowish white, rarely faintly washed with 

 gray, usually much spotted or blotched with black; the 

 markings on the gular region being numerous and 

 large, often forming irregular cross-bands. 



Length to anus 73 89 91 93 96 98 



Length of tail 119 229 212 247 252 



Snout to ear 17 21 21 20 23 23 



Snout to interparietal 14 17 17 17 18 18 



Width of head 10 13 13 12 15 15 



Fore limb ....26 31 30 30 31 33 



Hind limb 53 60 58 60 63 68 



Base of fifth to end of fourth toe 25 28 26 27 29 30 



Distribution. Stejiieger's Whiptailed Lizard inhabits 

 the western slope of the coast ranges of San Diego, 

 Riverside, and San Bernardino Counties (Santa Ysabel 

 Valley, Witch Creek, Julian Mountains, Clogston's Val- 

 ley, San Jacinto, Hemet Valley, Lytle Creek), and 

 probably will be found also in parts of Orange and Los 

 Angeles Counties, California. 



Habits. Unknown, but, doubtless, similar to those of 

 Cnemidophorus tigris undulatus. 



Genus 19. VERTICARIA. 



Verticaria, COPE, Proc. Amer. Philos. Soc., XI, 1869, p. 158 (type 

 hyperythra). 



There are four pentadactyle limbs. The head-plates 



