214 
marked with an indented pattern ; bands about six or seven ; fore- 
feet with five toes, the index nearly as thick as the medius, which is 
the longest, the claws a little twisted outwards; maxillary bone ter- 
minating behind in a strong vertical column formed by the alveolus 
of the last tooth, and concealing the sphenopalatine and pterygo- 
palatine foramina ; teeth rather large ; malar process compressed in 
the antero-posterior direction, suddenly projecting, concave anteriorly ; 
infra-orbital canal short, pierced through the base of the process ; 
malar bone angular, with a rudiment of a descending process, com- 
pressed in the antero-posterior direction ; its zygomatic process deep, 
extending beneath the zygoma; palatine bone ascending into the 
orbit ; no appearance of the ethmoid within the orbit; pterygoid 
bones with well-defined hamular processes, bent outwards; zygoma 
well-developed, flat; its glenoid surface slightly convex, reniform ; 
tympanic bone well-ossified, forming a bulla ; auditory process largely 
developed ; mastoid bone very broad, placed entirely in the occipital 
region ; lower jaw deep and thick, its ascending ramus high ; coronoid 
process largely developed, condyle broad. 
D. SEXCINCTUS. 
Muzzle broad ; plates large, distinct, but slightly indented ; bands 
six or seven, ”o separate band on the anterior edge of the scapular 
shield ; terminal plates of the bands and pelvic shield small; hairs 
few, white ; teeth os. the first upper one on each side being in the 
intermaxillary bone. 
D. vILLosus. 
Muzzle broad ; plates closely united, roughly tubercular, those of 
the bands closely united and small; bands eight ; a separate band on 
the anterior edge of the scapular shield, behind the row of nuchal 
plates ; terminal plates of the bands and pelvic shield large and fal- 
cate ; hairs profuse, brown. 
D. MINUTUS. 
Muzzle tapering, narrow at the end; plates of the head smooth, 
those of the shield and bands closely united, and flatly tubercular ; 
terminal plates of the bands and pelvie shield large and falcate ; 
bands six or seyen ; a separate band on the anterior edge of the sca- 
pular shield, behind the row of nuchal plates ; upper parts with black 
hairs ; sides of the head and limbs with brownish hairs; under parts 
with whitish hairs ; teeth 8, none in the intermaxillary bones, nasal 
and intermaxillary bones lengthened. 
Xenvurvs, Wagler. 
Head broad behind, ears wide apart, its plates irregular, smooth ; 
those of the scapular shield irregular in the middle, hexagonal towards 
the sides ; bands twelve, composed of short and square plates ; pelvic 
shield with square plates in the middle, becoming hexagonal towards 
the sides; tail almost naked; fore-feet with five toes, the index 
longest, but very slender, the three outer toes rapidly diminishing in 
