BASTPODID^. 139 



M. 3627. Three scutes from one of the movable bands of the carapace ; 

 from the Pleistocene of La Plata, Argentine Eepublic. 



Bravard Collection. Purchased^ 1854. 



Genus XENURUS, Wagler\ 



Teeth [|E|)- Twelve or thirteen movable bands in the carapace, 

 . the sculpture obscurely granular ; tail nearly naked, with a few bony 

 tubercles. In the manus the first and second digits are slender and 

 have small claws, the other three have but two phalangeals ; the 

 third has an immense claw, and the fourth and fifth smaller claws 

 of the same form. There are five short digits in the pes, of which 

 the third is the longest. 



^enuru!^ untciiutuig (Linn.^). 



Syn. Dasypus unicinctus, Linn.^ 



Dasypiis tatouay, Desmarest ■*. ^ 



Dasypus gymnurus, lUiger °. 

 Xenurus affinis-nudicaudo, Lund ". 

 Xenurus antiquus, Lund ^. 



The fossil form cannot apparently be distinguished from the living 

 Broad-banded Armadillo. 



Hab. South America (Brazil). 



18881. The left tibia and fibula; from a cavern in Minas Geraes, 

 Brazil. These bones agree precisely with those of the 

 living form ; the suboval notch at the anterior extremity 

 of the space between the two bones, so characteristic of 

 the genus, is well shown. 



Claussen Collection. Purchased, 1845. 



Genus EUTATUS, P. Gervais^. 



Teeth "-^. The whole of the carapace is divided into movable 

 bands, which are 33 in number ; the free extremity of each scute 



^ Syst. d. Aniphibien, p. 36 (1830). 



2 Syst. Nat. eel. 12, vol. i. p. 53 {11^).— Dasypus. 



^ Log. cit. 



■* Mammalogie, p. 369 (1822). 



5 Maximilian, Beitr. Nat. Bras. vol. ii. p. 529 (1832). 



"" K. Danske Vid. SelsL Skr. vol. ix. p. 197 (1842). 



^ Ihid. vol. viii. p. 227 (1841). 



** Comptes Eendus, vol. Ixv. p. 280 (1867). 



