178 Sir T. S. Raffles 's account 
Testicles situated a little below the kidneys, egg-shaped, 
flattened, partly embraced by a very perceptible epi- 
didymis. 
Penis large ; while collapsed entirely concealed within 
the prepuce. The glans consists of two lobes, sepa- 
rated or cloven above, in such a manner as to give 
the whole the appearance of the cloven foot of a 
ruminating animal. The urethra opens on a small 
tubercle or papilla between the lobes of the glans. 
In the thorax, the thymus gland is particularly large, 
black and friable under the fingers, and occupying 
the space between the folds of the mediastinum. 
Lungs two, distinct, of an elongated form, not lobulated, 
and situated posteriorly, one on each side ; their 
substance of the usual mottled colour. The trachea 
bifurcates very high up, and the two branches diverge 
to their respective lungs. 
Heart situated on the left side, double ; that is to say, 
having the ventricles entirely separate at their points, 
and only connected at the upper part, or base. Each 
side possesses a ventricle and auricle, with the usual 
valves, and without any communication between the 
right and left sides. The left ventricle, which gives 
off the aorta, is stronger and more muscular than the 
right, whose cavity is larger, and coats thinner. 
Of the skeleton, a few observations will suffice. — The 
skull is remarkable by the peculiar manner in which 
the anterior part of the upper jaw is bent downwards, 
almost at a right angle, so as to form a kind of beak. 
The lower jaw is truncated in such a manner as to 
