18 REPTILES. 



graruilar, minute ; outer row of shields under the hind legs 7, the 

 second and third the largest and nearly equal ; olive, with black 

 wavy lines, sides darker, with white spots on the lower part ; head 

 in spirits pale reddish. 



a. Adult, in spirits. Demerara. Presented by Col. Sabine, R.E. 



b. Half-grown, in spirits. Demerara? 



A. undulata. Gray, Ann. N. H. i. 277. 



** Ventral shields I0~rowed ; caudal scales elongate, keeled. 



The Amefva. Ameiva Surinaraensis. Seps Surinamensis, 

 and S. Zeylanicus, Laur. Syn. 59. Lacerta graphica, Daud. R. 

 iii. 112. L. gutturosa, Daud. R. iii. 119. L. literata, Daud. R. 

 iii. 106. Teius Ameiva, Merrem. Spix, Braz. t. 23, S' - P^- Max. 

 Beytr. t good. T. lateristriga, and T. tritaeniatus, Spix, Bras, 

 t. 24, /. 2, 5. A. vulgaris, Licht. Dum. et Bib. E. G. v. 100. 

 A. maculata, Gray, Ann. N. H. i. 277. A. Argus, Fitz. Guerin, 

 Icon. Rept. t. 4, /. 1. Cnemidophorus undulatus, Weigm. H. 

 Mex. 27? Seba, i. t. 88, f. 2, S- . t. 90, /". 7, ^. 1. 103,/. 3,4, 5^. 

 ^. 88,/. 1, ?. ^89,/. 3,*$. ii. «. 63,/. 4, 5. 



Shields on the hinder part of the arm just above the ellfow 

 rhombic, scarcely larger than the others ; the fore foot with 2 or 3 

 large prominent scales at the back of the palm ; heel of the hind- 

 er foot simple above ; preanal shields 3 or 5, in two series, nearly 

 equal ; olive, nape and front of back black-speckled ; side with 

 cross bands of black-edged white spots ; the outer part of the un- 

 der side of the hind legs with 8 plates, the second, third and fourth 

 nearly equal, the rest smaller. 



u. Adult, in spirits. Larger preanal scales 3, I anterior, 2 poste- 

 rior ; ventral shields nearly 12-rowed. Demerara. Presented 

 by Dr. Hancock. 



b. Half-grown, in spirits. Preanal plates 5, 2 in front, 3 behind. 



c. Young, in spirits. Preanal plates 3. 



d. Young, in spirits. Preanal plates rather irregular, 5, 2 front 



largest, shield on back of elbow larger. 



e. Young, in spirits. West Indies. From Mr. Scrivener's col- 



lection. 



The Spotted Ameiva. Ameiva guttata. 



Shields on the hinder part of the fore arm just above the elbow 

 rhombic, rather larger ; fore foot with 2 or 3 larger tubercles be- 

 hind ; heel of the hinder foot with small scales above ; the outer 

 part of the under side of the hind leg with 6 plates, the second 

 and third much the largest, especially the second, the rest gradu- 

 ally smaller; preanal shields in 2 series, the hinder series largest ; 

 olive, black-speckled, sides dark, with cross rows of black-edged 

 white spots. 



