CLASS REPTILIA. 



b. Toes 4f, 5 ; femoral pores distinct. Heterodactylus. 

 Spixs Heterodactyle. Het. Imbricatu^f Spix, Braz. t. 27. 



Olive brown ; sides of body and tail yellow-lined ; tail 

 long ; central dorsal scales acutely keeled. Brazils. 



c. Toes 4, 4. Brachypus, Fitzinger. 



Common Brachypus. Bra. Abdonmialis, Thunb. 



Brown, with stripes on the belly. 



d. Toes very smalLrudimentary, 5 before, 3 behind. Chalchis 

 and ColobuSf Merrem. Cophias, Fitz. 



Annulated Chalchides, Shaw. Cophias Flavescens, Gruy. 

 Le Challide, hacep. t. 82. Chamoesaura Cophias, Schn. — 

 Chalchide Menodactylus, Daud. Chalchydes Flavescens, 

 Bonnat. Chalchide Tridactylus, Daud. Colobus Daudini, 

 Merrem. Guiana. 



Gen. IV. Amphisb<ena. 



Teeth in sockets ; ears hid ; vent roundish, subterminal. 



a. Legs two, very small ; suhanal pores distinct Chii otes. 



Worm-like Bimane. Lacerta Lumbricoides, Shaw. Cha- 

 masaurus Propus, Schn. Lacep. t. 41. x^Iexico. 



6. Legs none, suhanal pores distinct ; thoracic rings regular. 

 Amphisboena, Lin. 



White Amphisboena. Am. Alba, Lin. Lacep. ij. t. 21. f. 1. 

 Eyes small ; occiput smooth. Perhaps same as-next. 

 Sooty Amphisboena. Amph. Fuliginosa, Linn. Seba, 

 1. 18. f. 2. t. 100. f. 3. t. 83. f. 4. 



Eyes small ; occiput grooved ; black, white-varied. 



See Amp.favescens. Pr. Max. t. Amp. pathyura. Wolf. — 

 Amp. punctata. Bell. — Amp. vermicularis, Wagler. — 

 Ampt. Cinerea, Vandelle. Atnp. cooyura, Wagler, Braz. 

 t. 25. f. 1. Blafius, Wagler. 

 66 



