MAMMALIA. 559 
third toe of the manus is always large and bears a large claw. The 
great anteater is purely terrestrial; the Tamandua and Two-toed anteater 
(Cycloturus) are arboreal. 
Fig. 383.—LATERAL VIEW OF SKULL OF ANT-EATER. (4d zat.) 
Maxilla, Nasal. « Frontal. Parietal. Supraoccipital. 
Premaxilla. 
Auditory 
Meatus. 
Occipital 
Condyle. 
Lacrymal, Malar. Alisphenoid, Squamosal. 
Note the absence of teeth, the elongated jaws and incomplete zygomatic arch. 
Family IV.—Dasypodidze or Armadillos.—They are unique amongst 
mammals in having the head_and body enveloped in bony dermal scutes 
covered with horny epidermis. In the typical forms there can be 
distinguished a cephalic plate over the head, a large pectoral and pelvic, 
covering respectively the fore and hind part of the body, and a number 
of rings between them. The tail is also enveloped in a series of rings. 
The ventral surface is usually soft and hairy and the habit of rolling-up 
Fig. 384.—LaTERAL VIEW OF SKULL OF ARMADILLO. 
‘ 
Note the absence of incisors and canines, the numerous cheek-teeth, the long 
snout with small premaxille. 
in a balliscommon. Armadillos are largely insectivorous and have a 
long sticky tongue with large submaxillary glands. On the other hand, 
they have « large number of simple teeth which in many cases are 
diphyodont. They are mostly fossorial and the toes are armed with 
strong claws. The genus Zolyfeutes, in which the rolling-up is best 
perfected, is said not to burrow. They vary in size from the little 
Pichiciago of 6 inches to the great Armadillo of three feet. The largest 
