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, no separate band on the anterior edge of the scapular 

 shield ; terminal plates of the bands and pelvic shield small ; hairs 

 few, white ; teeth ^E^, 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 miited 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 pelvic shield large and falcate ; 

 bands six or seven ; 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 ?^, none in the intermaxillary bones, nasal 

 and mtermaxillary bones lengthened. 



Xentjri5S, 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 



