XVI.] 



EDENTATA. 



307 



second is the longest, and has all the phalanges, as well as 

 the metacarpal, of nearly equal length ; the third has a long 

 metacarpal, then two short broad phalanges, the first being 

 especially short, and a long, curved, compressed, ungual 

 phalanx. The fourth and fifth are shorter, but present 



FIG too. - Bones of the ri?ht manus of FIG. no. Bones of the manus of the 



the Hairy Armadillo (Dasyfus villa- Great Armadillo (Prioiion giganteus\ 



s \ 2 4- a an accessory carpal ossicle in front 



of the pisiform, which is not seen in 

 the figure. 



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 (Xcnurus unitindus). The first and second digits are 

 still more slender and elongated, and retain the normal 



x 2 



