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species. If further evidence was wanted, the skulls will fully prove 
the distinction of species, for the skulls of two adult animals com- 
pared will show a difference in size alone which must preclude all 
supposition of their being one species. Mr. Owen’s remarks are, 
however, so conclusive, that I need not dwell on this point ; and with 
a suite of skulls, male and female, from the adult to the infant, of 
the Mias Kassar, which I shall have the pleasure to forward, there 
can remain, I should think, little further room for discussion. I may 
mention, however, that two young animals I had in my possession 
alive, one a Kassar, the other a Pappan, fully bore out these remarks 
by their proportionate size. The Pappan, with two molars, showed 
the callosities distinctly, and was as tall and far stouter than the 
Kassar with three molars, whilst the Kassar had no vestige of the 
callosities. ‘Their mode of progression likewise was different, as the 
Kassar doubled his fists and dragged his hind quarters after him, 
whilst the Pappen supported himself on the open hands sideways 
placed on the ground, and moved one leg before the other in the 
erect sitting attitude; but this was only observed in the two young 
ones, and cannot be considered as certainly applicable to all. 
“On the habits of the Orangs, as far as I have been able to observe 
them, I may remark, that they are as dull and as slothful as can well 
be conceived, and on no occasion when pursuing them did they move 
so fast as to preclude my keeping pace with them easily through a 
moderately clear forest ; and even when obstructions below (such as 
wading up to the neck) allowed them to get away some distance, 
they were sure to stop and allow us to come up. I never observed 
the slightest attempt at defence, and the wood, which sometimes 
rattled about our ears, was broken by their weight, and not thrown, 
as some persons represent. If pushed to extremity, however, the 
Pappan could not be otherwise than formidable; and one unfortunate 
man, who with a party was trying to catch a large one alive, lost 
two of his fingers, besides being severely bitten on the face, whilst 
the animal finally beat off his pursuers and escaped. When they 
wish to catch an adult they cut down a circle of trees round the one 
on which he is seated, and then fell that also, and close before he 
can recover himself, and endeavour to bind him. 
“In a small work entitled ‘The Menageries,’ published in 1838, 
there is a good account of the Bornean Orang, with a brief extract 
from Mr. Owen’s valuable paper on the Simia Morio; but, after 
dwelling on the lazy and apathetic disposition of the animal, it 
states in the same page that they can make their way amid the 
branches of the trees with surprising agility, whereas they are 
the slowest and least active of all the monkey tribe, and their mo- 
tions are surprisingly awkward and uncouth. The natives on the 
north-west coast entertain no dread, and always represent the 
Orangs as harmless and inoffensive animals; and from what I saw, 
they would never attack a man unless brought to the ground. The 
rude hut which they are stated to build in the trees would be more 
properly called a seat or nest, for it has no roof or cover of any 
sort. The facility with which they form this seat is curious, and I 
