CLASS I. MAMMALIA: OEDEB 14. MONOTEEMATA. 
67U 
THE PORCUPINE ANT-EATER. 
the head a little raised, di\ang continually in search of insects and other small aquatic ani- 
m^h on which it feeds. It is also able to climb with facility, and may ofteu be seen in small 
parties resting on trunks of trees overhanging the water. It digs itself a burrow iu the banks of 
the piece of water fi-equented by it, making it with two openings, one above and the other a little 
THE OENITHOEHTNCHUS. 
below the surface of the water. The burrows are of great extent, usually from twenty to thirty- 
five feet in length; these rise from the water toward the surface of the earth, and, at the furthest 
part, which is also the highest, are slightly enlarged and provided with a sort of nest for the re- 
ception of the young. These, Avhen born, are quite blind and nearly naked. They are produced 
and nursed as in the preceding genus. 
