Mr. Gray on the Slender-tongued Saurians. 277 



Ctenodon nigropunctatus, Wagler. Tupen. nigropunctatus, Spix, 

 Braz. t. 



Inhab. South America. 



Acrantus, Wagler. Teius, Fitz. Toes 5—4 ; tail round ; teeth 6, 

 front maxillary simple, with two rather acute transverse tubercles. 



Acrantus viridis, Wagler. Lacerta Teyou. Daud. 



Inhab. South America. (From the Berlin Mus.) 



b. Abdominal shields smooth, broader than long ; thighs shielded be- 

 neath. 



Ameiva, Cuv., Fitz. Cnemidophorus, Wagler. Toes 5 — 5. 



Ameiva punctata. Teius Ameiva, Merrem. — Spix. Braz, t. 23. P. 

 Max. Beytr. t. — . good. A. vulgaris, Lichst. ? A. Argus, Fitz. ? 

 Guerin, Icon. Rept. t. 4. f. 1. Olive ; nape and front of back black 

 speckled, sides with bands of black-edged white or yellow spots ; 

 abdominal shields 12-rowed. 



Inhab. Demerara. Capt. Sabine, R.E. 



Ameiva undulata, Seba, i. t. 88. f. 2. Olive brown with narrow 

 brown wavy cross-bands; sides dark, pale, mottled with a palish 

 streak on the upper part of each side ; throat white ; chest and belly 

 greenish; sides dark, greenish, spotted; abdominal plates 12-rowed. 



Inhab. — 



Ameiva maculata, Seba, i. t. 88. f. 1. — t. 90. f. 7.? A. lateristriga, 

 Cuv. Olive-green; back spotted, with a broad black streak down each 

 side, edged beneath with a narrow white streak ; sides and the black 

 streaks, with cross-bands of small white spots ; abdominal shields 10- 

 rowed. 



Var. back scarcely spotted, paler on each side near the lateral 

 streak. 



Inhab. Brazil. 



Ameiva guttata. Teius cyaneus, Cuv* T. cyanus, var. Merrem, 

 from Seba, ii. 1. 105. f. 2. Lacep. i. t. 31 . Seps murinus, Laur. Olive- 

 green ; sides darker, with 6 or 7 cross-rows of 3 or 4 large white 

 spots; abdominal plates 10-ro wed. 



Inhab. 



Probably the green-spotted lizard, Edw. Birds, t. 203 ; but our 

 specimen is bleached, and does not show any pale tapering dorsal 

 streaks. The tail of this specimen has been partly broken, and an- 

 other false tail has sprouted from the crack. Such specimens are 

 not uncommon in the animals of this family, hence they have been 

 called forked-tailed lizards. 



Ameiva dorsalis, Sloane, Jam. iii. t. 273. f. 3. Olive : back with a 



