5. AMEITA. 357 



pi. vi. ; Dmn. ^- Bihr. v. p. Ill ; Cope, Pi-oc. Ac. TJdlud. 1802, 

 p. 68 ; Bocourt, Miss. Sc. Me.v., JRept. pi. xx. B. fig. 2. 

 Ameiva trilineata, Gray^ Ann. N. H. v. 1840, p. 114 ; Cope, I. c. p 69. 



Nostril in the posterior part of the anterior nasal ; five occipitals ; 

 three or four supraoculars ; five or six supraciliaries ; loreal undi- 

 vided ; seven upper labials ; six or seven lower labials ; chin-shields, 

 one anterior and six or seven pairs, separated from the labials by 

 several rows of granules ; median gular scales not enlarged ; meso- 

 ptychium with three or four rows of feebly enlarged scales. Dorsal 

 granules rather large, smooth. Yentral plates in ten or twelve 

 longitudinal rows ; thirty-four to thirty-six transverse rows, count- 

 ing from the granules of the collar. Prseanal plates, two or three 

 anterior median and three or four posterior on a line. One row of 

 brachials and two of antebrachials, continuous ; postl)raehials large. 

 Six or seven rows of femoral plates ; three rows of tibials, the inner 

 small and irregular, the outer extremely large. Heel with a few 

 more or less pi'ominent spiuose scales. Femoral pores eleven to 

 sixteen. Digits moderately serrated ; fifth toe extending further 

 than inner. Caudal scales keeled. Olive above, with three or five 

 more or less distinct light longitudinal streaks, and a lateral band 

 of blackish marblings or reticulations ; lower surfaces yellowish, 

 marbled with olive. 



6. 2. 



millim. millim. 



Total length 312 190 



Head 20 15 



Width of head 13 9 



From end of snout to fore limb . . 33 21 



From end of snout to vent 87 60 



Fore limb 32 22 



Hind limb 68 48 



Tail 225 130 



Cuba. 



a-b, c. cJ $ . Cuba. W. S. MacLeay, Esq. [P.]. 



(Types of A. trilineata.) 

 d. $. ? 



17. Ameiva dorsalis. 



Ameiva dorsalis, Gray, Cat. p. 19. 

 Ameiva dorsalis. Gray, Ann. K. 11. i. 1838, p. 277 ; Gosse, Proc. 



Zool. Soc. 1848, p. '24; Cope, Proc. Ac. Philad. 1862, p. 69; 



Bocourt, Miss. Sc. Mex., Bept. pi. xx. B. fig. 1. 

 sloauei, Dmn. 4'- Bibr. v. p. 107. 



Nostril in the posterior part of the anterior nasal ; five or seven 

 occipitals ; three or four supraocuUiis ; six or seven supraciliaries ; 

 loreal frequently divided; seven or eight upper labials; seven to 

 nine lower labials ; chin shields, one anterior and six to eight ]iairs, 

 separated from the labials by several rows of granules ; median 



