<j8 Mr. Home’s Observations on the Structure 
Upon what ground Mr. Hunter was led to draw this con- 
clusion cannot now be ascertained ; and, such is my respect 
for his opinion, that nothing but the following observations, 
supported by facts, could lead me to form a different one. 
In considering this subject, it struck me that the second sto- 
mach, could not be that, in which chyle is formed, since that 
process having been completed, any other cavities would be 
superfluous. The last cavity in all stomachs is that, in 
which the process must be brought to perfection : and there- 
fore the most essential change, which the food undergoes, or 
that, by which it is formed into chyle should be performed in 
that cavity. Surveying the different cavities, in the whale’s 
and ruminating stomachs with this impression on my mind, 
and comparing them with the single stomachs of carnivorous 
animals, it appeared that the first point, which required to be 
ascertained was, which of the cavities in these more complex 
stomachs bears the greatest resemblance to the simple one. 
The fourth of the whale is certainly more like the human 
stomach than the second or third. I therefore concluded that 
the fourth, both from analogy and situation, is the stomach in 
which the process is completed : and that in this animal, from 
the peculiarities of its oeconomy, and the nature of the food, 
not only a cuticular stomach is necessary, but also two glan- 
dular ones, in which it undergoes changes preparatory to its 
being converted into chyle. 
Having satisfied myself upon this subject, and having com- 
pared the stomachs of the whale, with the fourth of the camel, 
the contraction or partial division of the camel’s, made it 
apparent that the lower portion only of that cavity, which 
resembles in shape, and internal appearance the human 
