5. AMEIVA. 345 



C. All the gular scales minutely granular. 



1. Males without heel spurs. 



Four supraoculars ; enlarged mesopty- 



chial scales in three series 14. chnjsolcema, p, 355. 



Three supraoculars; enlarged mesopty- 



chial scales in six series 15. thoracica, p. 356. 



2. Males with heel-spurs. 



Brachial plates continuous with ante- 

 brachials ; femoral pores less than 20 . 16. auberi, p. 356. 



Brachial plates not continuous with ante- 

 brachials ; femoral pores more than 20 17. dorsalis, p. 357. 



V. Twelve to sixteen rows of ventral plates ; femoral pores at 

 least 30. 



Ventral plates in 12-14 rows ; uniform 



black above 18. corvina, p. 358. 



Ventral plates in 14-16 rows; eight to 



ten supraciliaries 19. punctata, p. 359. 



1. Ameiva hridgesii. 



Ameiva sexscutata, Giinth. Proc. Zool. Sue. 1860, p. 234 (nee Giinth. 



1859); Bocourt, Miss. Sc. Mex., Eept. pi. xx. a. fig. 11. 

 Holcosus bridgesii, C'o^^e, Proc, Ac. Philad. 1808, p. 306. 



Nostril between the two nasals ; upper head-shields numerous, 

 strongly keeled, arranged somewhat as in some Anoles; three or 

 four longitudinal rows of small shields on the intcrorbital region : 

 occipitals numerous, very small, irregular ; supraoculars two, bor- 

 dered by granules, except the anterior internally ; five supraciliaries, 

 second very long ; a second small loreal, or frenoorbital ; seven or 

 eight upper labials ; five lower labials, third longest ; chin-shields, 

 one anterior and four or five pairs ; no strongly enlarged gular 

 scales, the granules of that region slightly keeled ; mcsoptychium 

 with numerous slightly enlarged scales, which are a little larger 

 than the median gulars. Dorsal granules minute, distinctly keeled. 

 Ventral plates in six longitudinal series; twenty-five transverse 

 series, counting from the granules of the collar. Tliree large, 

 rounded anal plates, anterior largest, arranged in a triangle. Bra- 

 chial plates small, irregular ; a row of large aniebrachials : one or 

 two rows of postbrachials. Three rows of large femoral plates, 

 those of the median row smallest ; two rows of large tibial plates. 

 Femoral pores twenty-three or twenty-four. Digits strongly ser- 

 rated. Caudal scales keeled, very strongly above and on the sides. 

 Greenish-olive ; a black band along each side, beginning at the end 

 of the snout and passing through the eye, bordered above and below 

 by a more or less marked light streak ; sometimes a light vertebral 

 streak. 



