CLASS REPTILIA. 



h. Toes 4, 5 ; femoral pores distinct. Heterodactylus. 



Spix's Heterodactyle. Het. Imbricatus, Spix, Braz. t. ^J. 



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



long ; central dorsal scales acutely keeled. Brazils. 



c. Toes 4, 4. Brachypus, Fitxinger. 



Common Brachypus. Bra. Abdominalis, Thunb. 



Brown, with stripes on the belly. 



d. Toes very smaU,rudimentary ^ 5 before, 3 behind. Chalchis 

 and Colobus, Merrem. Cophias, Fitz. 



Annulated Chalchides, Shaw. Cophias Flavescens, Gray. 

 Le ChaUide,IjaceTp. t. 32. Chamoesaura Cophias, Schn. — 

 Chalchide Menodactylus, Baud. Chalchydes Flavescens, 

 Bonnat. Chalchide Tridactylus, Baud. Colobus Daudini, 

 Merrem. Guiana. 



Gen. IV. Amphisb(ena. 

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



a. Legs two, very small ; subanal pores distinct Chirotes. 



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

 masaurus Propus, Schn. Lacep. t. 41. Mexico. 



b. Legs none, subanal 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. flavescens. Pr, Max. t. Amp. pathyura. Wolf. — 

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

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

 t. 25. f. 1. Blaniis, Wagler. 

 66 



