TEIDA. — CXIV. 201 
293. EUMECES Wiegmann. (etpixns, of good length.) 
583. E. fasciatus (L.). Biur-TAILeD Lizarp. “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, B. obsoletus (Baird & Girard). Greenish white, the scales 
narrowly edged with black. Parieto-occipital and vertical, the 
largest plates on head. Ill. (Forbes) to Sonora. 
585. E. anthracinus (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. EB. 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. LEIOLOPISMA D. & B.  (Acios, smooth; Admopa, husk.) 
587. L. laterale (Say). Grounp Lizarp. 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. 
Famity CXIV. THIDA. 
Tongue flat, elongate, ending in 2 long, smooth points; its surface 
mostly covered with imbricate scale-like papille; 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 Wiesmann. (kvynuidoddpos, 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 g. L.6 to9. Conn. to Va., Wis. and Mexico; com- 
mon §.; very active. 
Famity CXV. ANGUIDAS. (THE Stow Worms.) 
Tongue of ° parts, the posterior larger, thick, covered with villi- 
form papille; the anterior thin, emarginate, covered with scales, 
