38 PROF. OWEN ON THE ANATOMY OF THE INDIAN RHINOCEROS. 
view, together with the large czecum, appearing like a second stomach, occupying the 
right iliac and lumbar regions. 
In the male Rhinoceros the thoracic and abdominal viscera were exposed by the suc- 
cessive detachment of the ribs of the left side, together with the soft walls of the same 
side of the thorax and abdomen. ‘The diaphragm separating these two cavities extended 
from about the seventeenth dorsal vertebra obliquely downwards and forwards, curving, 
as it approached the ventral parietes, more rapidly towards them ; its diameter following 
this course being four feet six inches. The length of the abdominal cavity was seven 
feet ; its depth or antero-posterior diameter three feet six inches. The length of the 
thoracic cavity near the spine was three feet six inches ; its depth at the most promi- 
nent part of the convex diaphragm was two feet ; its size, contrasted in this view with 
that of the enormous abdomen, seemed disproportionately small. 
The viscera of the abdomen which presented themselves, enumerated from the dia- 
phragm backwards, were the free curved border and part of the upper convex surface 
of the left lobe of the liver, partly overlapping the stomach, of which about two-thirds 
of the greater or cardiac portion were visible. The lower free border of the spleen ex- 
tended from below all the visible part of the great curvature of the stomach ; and the 
thin, fatless, shrivelled epiploon was continued from beneath the spleen upon the upper 
part of the base of the great fold of the colon above mentioned. This enormous fold 
slipped forwards as soon as the supporting walls of the abdomen were removed, and 
exposed the large coils of the left descending portion of the colon continued from it, 
and below and ventrad of these were exposed some of the coils of the small intestine. 
A part of the left kidney protruding at the angle between the cardiac end of the stomach 
and the commencement of the descending colon, was covered by a duplicature of peri- 
toneum extending from its ventral surface to the contiguous end of the spleen. 
The dorsal border of the left lobe of the liver was attached by a similar duplicature, 
forming a strong ‘ligamentum triangulare’ to the contiguous part of the diaphragm. 
The length of the great fold of the colon taken in a straight line as it lay first exposed 
was six feet six inches: some idea of its capacity may be formed from the fact that the 
portion of the fold next the czecum could easily contain a man, with ample room for him 
to turn about in it. But the dimensions of the alimentary canal and its several parts 
will be subsequently given. 
