TEHLE. CXIV. 201 



293. EUMECES Wiegmann. (eu/ijj/c^?, of good length.) 



583. E. fasciatus (L.). BLUE-TAILED LIZARD. "SCORPION." 

 Blackish olive, with 5 yellowish streaks, middle one forked on the 

 head ; tail usually bright blue ; old specimens reddish olive, the 

 stripes very faint or even wanting ; head becoming coppery red with 

 age. L. 8 to 11. U. S., E. of the Rocky Mts.; abundant N. to 

 N. Ind. ; very variable. (Lat., banded.) 



584. E. obsoletus (Baird & Girard). Greenish white, the scales 

 narrowly edged with black. Parieto-occipital and vertical, the 

 largest plates on head. 111. (Forbes) to Sonora. 



585. E. anthracirms (Baird). Bronze, with 4 yellow stripes, 

 between and below which are coal-black lines ; tail blue. Penn. to 

 Texas, in mountains. (Lat., coal-black.) 



586. E. septentrionalis (Baird). Olive, with 4 dark stripes 

 above ; sides with 2 narrow white lines margined on each side with 

 black. Minnesota to Nebraska. (Lat., northern.) 



294. OLIGOSOMA Girard. (oXi'yos, small ; <ra>/xa, body.) 



587. O. laterale (Say). GROUND LIZARD. Chestnut color; 

 on each side a black lateral band, edged with white ; abdomen yel- 

 lowish ; tail blue below ; head short ; limbs weak ; small and slender. 

 L. 5. Southern States, abundant; N. to S. Ind. 



FAMILY CXIV. TEID^E. 



Tongue flat, elongate, ending in 2 long, smooth points ; its surface 

 mostly covered with imbricate scale-like papillae ; teeth not hollow 

 at base ; premaxillary single ; shields of head free from the cranial 

 ossification ; limbs present, rarely rudimentary ; clavicle dilated and 

 perforated proximally. Genera 35; species about 110; all from 

 tropical America. 



a. Scaly portion of tongue arrow-headed, bifid, and not retractile posteriorly; 

 tail not compressed ; shields of head large, regular ; eyelids developed ; 

 ear exposed; a double collar-fold; scales small; ventral plates large, 

 limbs developed; toes 5-5 ........ CNEMIDOPHORUS, 295. 



295. CNEMIDOPHORUS Wiegmann. (/o/jj/uSo^opos, wearing 

 leg-armour.) 



588. C. sexlineatus (L.). Dusky brown, with 3 yellow streaks 

 on each side ; the interspaces jet black ; throat silvery ; belly blue 

 in breeding <. L. 6 to 9. Conn, to Va., Wis. and Mexico; com- 

 mon S. ; very active. 



FAMILY CXV. ANGUIDJE. (THE SLOW WORMS.) 



Tongue of 2 parts, the posterior larger, thick, covered with villi- 

 form papilla3 ; the anterior thin, emarginate, covered with scales, 



