LIZARDS. ~ 21 



* Front of the upper ami with rhomhic scales. Ventral shields in 



10 series. Cuemidophorus. 



The MuEiNE Taraguira. Cnemidopborus murinus, Ditm. 

 et Bib. E. G. v. 126. Seps murinus, Laur. Syn. 63. Seha, Thes. 

 ii. t. 105,/, 2. Lacerta Ameiva, Daud. Rept. iii. 98. 



Nostrils in the suture between 2 plates ; front edge of the up- 

 per arm with small rhombic scales only, the second shield on the 

 under side of the hind leg largest, nearly as broad as long ; pur- 

 plish (in spirits), with a series of large bluish spots on each side of 

 the back. 



a. Half-grown, in spirits, discoloured ? 



The Long-tailed Taraguira. Cnemidopborus longicauda. 

 Ameiva longicauda, Bell, Zool. Beagle, 28, t. 15,/. 1. 



Xostril in the middle of the nasal ; scales of the front of the 

 fore arm large, rhombic, smooth, in 2 series ; front upper labial 

 trigonal, angle rather truncated ; shields under the legs 6-sided, 

 third largest; tail elongate, scales rhombic, strongly keeled; white, 

 upper part and sides with numerous black streaks. 



a. In spirits. Tail imperfect. Bahia Blanca, N. Patagonia. 

 Presented by Charles Darwin, Esq. 



** Front of the upper arm shielded. Ventral shields in 8 series. 



Taraguira. 



' The Tagaguira. Cnemidopborus lemniscatus, Dum. et Bib. 

 E. G. V. 128. Lacerta lemniscatus, Daud. Rept. iii. 175, t. 36,/. 

 1, young. Petiv. Gaz. t. 150, / 11. Seba, i. 144, t. 91,/. 3. 

 Ameiva lineata, Graij, Ann. N. H. i. 



Blue, back black-lined, sides white-spotted; nostrils on the su- 

 ture of the nasal shield ; front of the fore arm with 2 complete se- 

 ries of dilated shields ; male with a sharp spur on each side the 

 vent ; second, third and fourth shields on the outer side on the un- 

 der part of the hind leg largest, transverse and subequal ; preanal 

 plates 4, in 2 series. 



a, h. Male, adult and half-grown, in spirits. Tropical America. 



The Shielded Taraguira. Cnemidopborus scutata. 



Blue, with black dorsal streaks, sides paler spotted ; nostrils in 

 the suture of the nasal shields ; Irout of the upper fore arm with 

 2 series of dilated shields; the second and third shields on the out- 

 er side of the under part of the hind legs very large, third largest, 

 nearly as long as broad ; preanal plates 3, large ; males with a 

 spur on each side of the vent. 



a, b Male, adult, and female, half-grown, in spirits. 



The Six-lined Taraguira. Cnemidopborus sexlineatus i>M7n. 

 et Bib. E. G. v. 131 ? Lacerta sexlineata, Linn. S. N. i. 364. 



