60 REPTILES. 



1. Cercosaura, Wagler. Ecpleopus, Dum, et Bib. 



Crichochalcis, Weigmann. 



Scales of the back large, oblong;, quadrate, compressed, keeled, 

 scarcely imbricate; of the tail imbricate. Toes 5-5, unequal, sub- 

 cylindrical, smooth beneath. Femoral pores none. 



The Eyed Cercosaurus. Cercosaura ocellata, Wagler^ Sijst. 

 158. Weigm. H.Mex. 10. 



Black, with 4 white streaks, continued on the base of the tail, 

 the outer from the back of the eyes and above the ears ; head and 

 body beneath yellowish ; sides sprinkled with green, and with 8 or 

 9 wbite-eyed black spots ; labial plate black-spotted. 



Inhab. Asia ? 



Schreiber's Cercosaurus. Cercosaura Schreibersii, Weigm. 

 H. Mex. 10. Tachydromus Schreibersii, Fitz. Sys. 50. 



Olive brown, with 5 obscure black brown streaks, 3 continued 

 on to the tail. 



Inhab. Brazils. Mus. Berlin. 



Gaudichaud's Cercosaurus. Cercosaurus Gaudich^udi. 

 Ecpleopus Gaudichaudi, Dum. et Bib. E. G. v. 437. 



Fulvous brown, with 1 or 2 whitish streaks on each side, be- 

 neath silvery. 



Inhab. Brazils. Mus. Paris, (M. Gaudichaud). 



Perhaps the same as the former. 



2. Lepisoma, Spix. Lepidosoma, Wagler^ Weigm. 



Pantodactylus, Dum. et Bib. 



Head covered with large shields. Temples shielded. Teeth 

 rather compressed, 3-cut, front simple. Tongue squamose. Pa- 

 late toothless. Nostrils lateral, in a single nasal plate. Eyelids 

 2, distinct. Ear distinct. Body fusiform, sides rounded, without 

 any groove. Scales of the back, sides and tail thin, 4-sided, elon- 

 gate, narrow, keeled, keels forming longitudinal ridges ; of the ab- 

 domen square, smooth ; of the sides of neck very small, granular. 

 Femoral pores distinct, (none, Spix). Legs 4, moderate. Toes 

 5-5, unequal, subcylindrical, smooth below. 



The Lepidosome. Lepisoma scincoides, Spix^ Braz. 24, t. 27, 

 f, 2, " descriptio et icon, pess." Wagler, cop. Tropidosaurus scin- 

 coides, ScJmiz, Abbild. Rept. 91, t. 30. Pantodactylus D'Orbignii, 

 Dum. et Bib. E. G. v. 431. 



Scales of the back narrow, nearly lanceolate, keeled ; of the 

 sides of the neck very small, equal ; ventnil shields square, 6-rowed. 



Inhab. Buenos Ayres? Mus. Paris, I specimen. Mus. Berlin. 



