MAMMALIA. 



333 



old and new worlds, whilst during the tertiary epoch they 

 extended their range into France and Germany. 



"We divide the order into four families : 



First Family. The MYRMECOPHAGUE, which have the ant- 

 eaters for their type, have the jaws, in some edentulous. 

 To this family belong three extinct genera. Glossotheriim, 

 from the Pampas of Buenos Ayres, and the caverns of Brazil ; 

 Macrotherium, found by Lartet in the miocene stage* of 

 Sansan ; it had the phalanges and claws of the ant-eaters, 



FIG. 244. Myrmecophaga jubata. 



and teeth similar to the sloths, without roots or enamel. Of 

 the existing genus Myrmecophaga (fig. 244), fossil species 

 are found in the caverns of Brazil, and of Orycteropus, in 

 the sub-apennine stage of the Pampas. 



FIG. 245. Dasypus sexcinctus. 



Second Family. The DASYPID.E have for their type the 

 Dasypus or armadillos. (Fig. 245.) Their body is enclosed 



