266 MEMOIRSofthe 
in a ftreight line was three inches long 5 in the head of the hinder 
thigh-bone, and deeper in, there was a fpace for the fafteningthe 
ligament, from which Ipace there was a Slfius which led out- 
wards y 16 that the brims of the Acetabulum were not an entire 
circle, but broken off here 5 here alfo are the OJJ{t Marfufialiay 
or Janitor es Marfupil-^ the hinder thigh-bone was little more 
than three inches long, it was a roundifh ftrong boncj but the 
'Tibia^ or 'poiile Ma]us of the hinder leg, was lomewhat longer, 
and a little curved ; the Fibula^ or Focile minus was about the 
fame length, but freighter and more flender ^ this towards the 
foot was articulated to the Os CakiSy as the 7*/ to was to the 
^aluSy or Jffiregalus ; and thefe two bones, according to Dr. U^y- 
foHy are the Tarfus 5 joining to them were the bows of the Me- 
tatarfuSy and to thefe the ^Phalanges of the fingers and toes 5 in 
the innermoft, or the thumb, there were only two joints, in the 
other four toes or iJigiti^ in each were two joints 3 the end of the 
thumb was more flatted than the ends of the other toes 5 the 
thumb, as was obferved, had a flat nail like that of a man 5 in 
the others the nails were long and curved: At the articulation of 
each joint of the toes, on the under fide, were two fmall bones, 
called Ojj'a Seffatnoidea^ and thele both in the fore and hinder 
feet. 
Fig. I. Plate VIII. reprelents the ^ojjum drawn from the life 5 
Fig. 2. the flit or aperture in the belly, that goes to the Marfu- 
film or pouch: Fig. ;. A the Marfwpium turned inlide out- 
wards, where may be obferved the hair or furr that covers it, 
which may help to keep its young warm ; B B the two hinder legs 
cutoff3 C the/^br^w^'W of the ^;;//i3 which is alio the common 
external vent, both of the ReEium^ bladder of urine, and the 
Uteri alfo : D the beginning of the tail: Fig. 4. is the fkeleton 5 
A A the Roftrum, or fnout^ bl? the Crafuum, or fliull 3 crc a 
bony ridge, or the "Protuberamia Offea lojigitudirialis, which 
ran the length of the Cranium^ and over a part of the Roftrum ; 
d the lateral ridge, Protuberamia OJfect lateralis, which, like 
a penthoufe, jutted over the hinder part of the Cranium -^ ef the 
Os Zygomaticum 'j e its procefs from the Os "lemporum, and/ 
that from the Manilla fuperior ^ g a Foramen or hole in the in- 
ternal Cant bus of the orbit of the eye, that leads into the nofl:rils, 
and by a du6^ conveys the tears, or moifture of the eyes into 
them J h a Foramen or hole in the upper jaw, fur a paffage to 
the vefTeJs; / a protuberance of the Os Front is -^ K a future of 
the Os Nariumi II the lower mandible, or jaw-bone 3 ;;; the fu- 
perior procefs of the under jaw 3 ;; the inferior proceJs of the un- 
der 
