1865.] OF ENTOMOPHAGOUS EDENTATA. 361 
A. Digitigrade. Backs of feet round, covered with plates ; toes of 
the front and hind feet separate ; claws conical. Head elon- 
gate ; ears close together. Chcerochlamydes. 
4. Tarusta. Toes 5/4. Tail with rings of plates. 
B. Plantigrade. Soles of feet flat, callous, with a prominent heel ; 
toes of fore feet united to the claws, compressed ; claws com- 
pressed, sharp-edged below. Toes of hind feet separate ; claws 
elongate. Head broad; ears far apart. Platychlamydes. 
* Head conical. Teeth many, small. 
5. Prionopos. Toes 5/5; middle front very large; outer front 
toes very small. Intermaxillary toothless. Four front bands 
of tesserze of the scapular shield partially free. 
** Head flat, conical. Teeth few, nine or ten, large ; intenmastary 
with one tooth on each side. 
6. Dasypus. Tail round at the base, tesserse convex. Marginal 
plates of the dorsal disk small; nuchal band linear, broad to 
the end ; first band of plates of the scapular shield fixed like 
the rest. 
*** Head broad, conical. Teeth few, nine or ten, large ; inter- 
maxillary toothless. 
7. Evpuractvus. Tail ringed at the base; tesseree convex. Mar- 
ginal plates of the dorsal disk faleate ; nuchal band narrow at 
the sides ; first band of the scapular disk more or less free. 
8. Xenurvus. Tail nakedish, with sunken shields. 
Tribe 2. Totypeutina. Scapular and pelvic shields large, convex ; 
central rings three, only attached to the middle of the back, 
which is covered with hair on the sides under the shield. Feet 
weak ; front with elongated unequal claws, on the tip of which 
the animal walks; hinder feet clavate, with flat ovate nails ; 
hind part of feet rounded, shielded, Skull attached to the 
frontal shield, Tail short. SpH#ROCHLAMYDES. 
9. TOLYPEUTES. 
Tribe 3. CtamypopHorina. The dorsal disk divided behind into 
a dorsal and a pelvic shield. The pelvic shield agglutinated to 
the pelvis. Feet strong; toes united ; claws large. 
10. CutamyporpHorvs. The dorsal shield only attached by the 
middle of the back, which is covered with hair on the sides. 
11. BurmeisteriA. The dorsal shield attached to the skin to its 
edge. 
Proc. Zoo. Soc.—1865, No. XXIV. 
