NORTH AMERICAN BATRACHTA AND REPTILIA. 47 



and below which are lines of anthracite black; the upper yellow 

 line on the center of a single row of scales; the lower on parts 

 of two rows; tail dark blue above; below yellowisli-white. 

 Pennsylvania to Texas, in mountains. 



86. E. ohsoletus, (B. and G.) Western Skink. Parieto- 

 occipital and vertical the largest cephalic plates; color above 

 greenish-white; the scales narrowly margined with bhick; beneath 

 uniform. Sonorau region, borders of Central and Anstroriparian, 

 Illinois (Forbes). 



87. E. fasGiatm^ (Linn.) Cope. Common Skink. Post- 

 nasals one or two, se[)arating internasals and postfrr^ntals ; super- 

 ciliaries five ; su})erior labials eight; dorsal scales equal; color 

 above bluish-black, or olive-brown, with five yellow lines, the 

 median one forming two on the head; the superior lateral ones 

 bordering the superciliaries ; inferior lateral extending forward 

 on superior labials ; the median and superior lateral line on parts 

 of two rows of scales ; the inferior hitei-al on one and one-half or 

 two rows before and just behind arms, but covering a single row 

 on sides; the lines are two rnws a[)art, and frequently partiallv 

 or wholly absent. Read sometimes reddish. Below yeUowish- 

 white. Central, Anstroriparian, aiid Eastern regions. 



Family TEID-F. 

 Genus Cnemidophorus, AVieg. 



Body slender; above covered with small, granular scales; 

 below^ large ones ; tail long, ringed with large, carinated scales ; 

 head long, narrow, pyramidal, covered with large regular shields ; 

 ear large; tongue long and slender, bifid at end; generally two 

 gular folds; outer part of arms and legs covered with large shields. 



88. C. sevUneatns, (L.) D. and B. Six-lined Lizard. Inter- 

 nasal none; superciliaries three, two large; color on head and 

 along back dusky brown; on each side three yellow longitudinal 

 lines, the upper one short, and somewhat indistinct; between 

 these longitudinal lines jet black; throat silvery -white ; abdomen 

 bluish-white. Sonoran, Anstroriparian regions to S. E. Virginia; 

 Illinois and Wisconsin. 



Family ANGUID^. 

 Genus Opheosaurus, Dand. 



Tongue arrow-headed in shape, with a triangular notch in 

 front; anterior free part w^th granulai- papilhv ; teeth in several 



