ED E NT A TA. 



279 



phalanx. The fourth and fifth are shorter, but present 

 the same general characters, and their metacarpals are also 

 reduced in length. 



All the deviations from the normal type of manus ob- 

 served in the common Armadillos, when greatly exaggerated 

 produce the curiously modified condition seen in the Cabas- 

 sou (Xenurus unicinctus). The first and second digits are 



Fig. 101. — Bones of the right manus of 

 the Hairy Armadillo (Dasypus viilo- 

 S7ts), §. 



Fig. 102. — Bones of the manus of the 

 Great Armadillo {Friodontes gigas),i. 

 a an accessory carpal ossicle in front 

 of the pisiform, which is not seen in 

 the figure. 



itill more slender and elongated, and retain the normal 

 number of phalanges ; but in the other three the metacarpal 

 is short and broad, the proximal phalanx is either sup- 

 pressed or incorporated with the metacarpal, as in some of 

 the Sloths, the middle phalanx is very short, but the ungual 



