162 CLASS REPTILIA. 



duct in many points of view to the ophisauri and 

 pseudopodes. 



One species, with five toes, is known from the East 

 Indies. {Lac. Seps. Lin.) 



One with four. (^Lac. Tetradactyla, Lacep. Ann. 

 du Mus. II. hx. 2.)* 



Others have the tympanum concealed, and lead 

 directly to the bimanes, and through them to the 

 amphisbenae. 



There is one species with five toes.f 



One of Brazil with four before and five behind. 

 {HeterodactyluB Imhricatus. Spix, xxvii. 1.) 



One with four on all the feet.1^ 



One whose toes, to the number of five before and 

 three behind, are reduced to small tubercles, so little 

 visible that the species has been regarded, some- 

 times as having three toes, and sometimes but one. 

 It belongs to Guiana.§ 



Chirotes, Cuv. 



Resemble the chalcides in their verticillated scales, 

 and the amphisbenas still more in the obtuse form of 



* It is the genus Tetbadactylus of Merrem, or Saukophis of 

 Fitzinger. 



-|- This forms the genus Chalcides of Fitzinger. 



J This is the genus Brack ypus of Fitzinger. 



$ On the first supposition, namely, of the three toes, it is the Chaldde 

 of Lacep. pi. xxxii. ; the ChamcBsaura Cophias of Schn. ; the genus Chalcis 

 of Merrem, and the genus Cophias of Fitzinger. On the other hypothesis, 

 it is the Chaldde Monodactyle of Daudin, or the genus Colobus of Merrem, 

 but all these genera are reducible to a single species. 



