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broad, and the muzzle obtuse, and the muffle large; the ears small, 
and with their lobular part much less developed than in LZ. cayen- 
.nensis, and their ends are more evenly rounded than in that species. 
The fore feet are strong, and have long and strong claws compared 
with those of other species. The claw which arms the inner toe or 
thumb is short and rounded. The hinder limbs are also rather long 
and strong, with strong claws. All the members are clothed with 
hair on their upper surfaces, but the fore feet rather scantily on the 
toes. The spines are confined to the middle of the back, being ab- 
sent over the shoulders and on the rump, or at any rate so little deve- 
loped over those parts as not to merit the name of spines. They are 
short and flexible, their expanded portion being short and near the 
root, from which they taper regularly, and end in a longish and very 
fine point, which is black, and resembles the black hairs on the backs 
of so many of the smaller rodents. The tail tapers evenly to a fine 
point ; the fur of the rump extends on to its base for a space of half 
an inch, its remaining part being pretty evenly sprinkled with 
shortish hairs, which are not on any part thick enough to hide the 
