EMOIA 



227 



wider than deep, nearly twice the size of first ; eight upper labials 

 (seven on left side) , sixth largest and normally below eye; three 

 preoculars, the lowest much the largest; seven superciliaries ; 

 five enlarged temporals, largest bordering parietal; five or six 

 lower labials ; lower eyelid with a disk, frequently opaque ; ear- 

 opening small, with small anterior lobules, nearer arm than end 



Fig. 39. Emoia atrocostatum (Lesson) ; a, head, dorsal view; b, head, lateral view; c. chin; 



X2. 



of snout; preanals elongate, slightly enlarged; median row of 

 scales under tail widened; legs strong, well developed, the hind 

 leg reaching beyond elbow when adpressed ; thirty-eight lamellae 

 under fourth toe; toes depressed and slightly compressed dis- 

 tally; forty scale rows about body; scales smooth with no 

 evidence of keels, dorsals largest. 



Color in life. — Above a uniform grayish olive, with darker 

 and lighter indistinct spots; sides somewhat darker; belly 

 greenish to dirty yellowish white. 



Meaeurer)%ents of Emoia atrocostatum (Lesson) 



Total length 



Snout to vent 



Snout to foreleg 



Tail 



Axilla to groin 



Foreleg 



Hind leg 



Variation. — The amount of variation is small among the 

 eight specimens in the Bureau of Science collection. The lamellse 

 under the fourth toe vary between thirty-seven and forty-two; 



mm. 

 195.5 



81.5 



32 

 114 



40 



25 



37 



