194 VERTEBRATE ANIMALS OF THE UNITED STATES 



Subspecies of C. sackii 



C. s. sackii Wieg. Six stripes present: in Texas and Oklahoma. 



C. 5. per plexus Wieg. Seven stripes present: in New Mexico, 

 Arizona, Colorado and Utah. 



C. tessellatus (Say). Length 450 mm.; tail 300 mm.; color dark 

 olive, with 4 to 7 yellow stripes in the young animal; back marbled 

 or blotched: in the adult western Texas to CaUfornia; northward into 

 Colorado and central California; common in dry sandy places. 



C. hyperythrus Cope. Length 200 mm.; only one fronto-parietal 

 plate; 4 lateral stripes: southern California. 



Family 8. Scincidae. — Skinks. Small, active lizards with smooth 

 scales underlaid with bony plates; head covered with symmetrical 

 plates; tongue free, notched in front; eyelids well developed; pupil 

 round; legs present or absent: about 200 species; cosmopolitan; ovo- 

 viviparous; about 14 species in the United States. 



Key to the Genera of Scincidae 



ai Legs and digits normal. 



bi Paired scales above the nasals (supranasals) ; lower eyelid 



scaly I- Eumeces. 



bo Xo supranasal scales; lower eyelid with transparent disk 2. Leiolopisma. 



a.2 Legs diminutive; toes reduced in number 3. Neoseps. 



I. Eumeces Wiegmann. Body small, with glossy, shining scales; 

 lower eyelid scaly ; palate with teeth : 30 species, in America, Africa and 

 Asia; 14 species in the United States; diurnal; terrestrial. 



Key to the Species of Eumeces 



ai In the eastern States. 



bi Scales on body in 28 or more rows; color uniform or with 



5 white stripes E. fasciatus. 



1)2 Scales on body in 22 or 24 rows; not more than 4 white 

 stripes. 

 Ci Scales in 24 rows; legs meeting on sides: in the Appa- 

 lachian Mountains E. anthr acinus. 



C2 Scales in 22 rows; legs short, not meeting; in Florida.. .E. egregius. 

 a2 In the central States. 



bi Body with 7 or more Hght stripes; legs short E. multivir gains. 



bo Body with 5 light stripes, or uniform; legs longer. 



Ci Lateral scale rows horizontal; color uniform brown or 



with 5 light stripes; scales in 28 or more rows E. fasciatus. 



