6. CNEMIDOPHORUS. 361 
a. Frontoparietals distinct. 
* Supraoculars normally four. 
Three large preanals; caudal scales 
strongly oblique, the keels distinctly 
subdiagonal, their posterior border 
forming an angle ................ 5. sexlincatus, p. 364. 
Three large preanals; caudal scales 
scarcely oblique ...............5.. 6. mariarum, p. 368. 
Preanals in 4 transverse series, the pos- 
terior two containing 6............ 7. maximus, p. 369, 
** Supraoculars normally three. 
Posterior row of mesoptychial scales sepa- 
rated from the edge of the collar by 
2 or 3 rows of granules ; femoral plates 
in 8 to 12 rows, tibials in3........ 8. guttatus, p. 370. 
No granules between the mesoptychial 
scales and the border of the collar; 
femoral plates in 10 rows.......... 9. immutabilis, p. 370. 
Posterior row of mesoptychial scales sepa- 
rated from the edge of the collar by a 
row of granules; femoral plates in 6 
or 7 rows, tibials in 2 ............ 10. deppit, p. 371. 
f. Frontoparietals united .. 11. hyperythrus, p. 371. 
6. Not more than 12 femoral pores on each side. 
Inner edge of supraoculars bordered by 
a row of granules .........-...4-- 12. ocellifer, p. 372. 
No granules between the frontal and the 
Bupracculars 6... . cee eee ee eee ees 13. multilineatus, p. 373. 
2. 10 or 12 longitudinal rows of ventral plates. 
No granules between the frontal and the 
supraoculars; dorsal scales granular.. 14. lacertoides, p. 373. 
Inner edge of supraculars bordered by a 
row of granules; dorsal scales flat, 
hexagonal c.4¢.0secas goss ite oes 15. longicauda, p. 374. 
II. Scales on the hind part of the back 
larger, rhomboidal, keeled, im- 
bricate: 20s .cGsece.ae0iw ewes 16. heterolepis, p. 375. 
1. Cnemidophorus murinus. 
Cnemidophorus murinus, Gray, Cat. p. 21. 
Seps murinus, Law, Syn. Rept. p. 63. 
Lacerta ameiva, part., Daud, Rept. iii. p. 98. 
Ameiva murina, Fitzing. N. Class. p. 51. 
Cnemidophorus murinus, Dum. § Bibr. v. p. 126; Bocourt, Miss. Se. 
Mezx., Fat pl. xx. c. fig. 1. 
