518 
EXPERIMENTS ON DIGESTION. 
run in the carts that convey fish to Paris ! What English carthorses 
would go their pace (considerably faster than that of the diligences) 
and keep up their good looks as they do 1 Then, what admirable 
animals are the black roan stallions we see on the roads leading from 
Paris, drawing the public carrying waggons ! We have nothing in 
England that can at all compare with them in any one respect. 
They will out-walk our horses by a mile in the hour; and would live 
where ours would starve. I have often expressed my surprise that 
we do not avail ourselves of a cross from this excellent breed. 
In my next, I shall touch upon a few subjects relating to various 
studs I saw during my late tour in the midland counties of England, 
in the course of which I hunted with eleven packs of fox hounds; 
concluding this paper with an observation on the management of 
milch cows in France. I have not seen an instance here of a cow 
losing a teat; and this is accounted for, by all cows being milked 
three times in the twenty-four hours, instead of twice, as with us, 
during those months when the grass is at its best. Out of fifteen 
or sixteen cows, I scarcely ever knew a year pass over without one 
or two of mine being thus blemished, and from the cause to which 
I have alluded, namely, suffering their udders to be over-distended 
with milk. 
Nimrod. 
EXPERIMENTS ON DIGESTION. 
By Professors TlEDEMAN and GMELIN, of the University of 
Heidelberg . 
Rumination. 
The Changes which the Food undergoes in the Maniplus. — The 
food which reaches the stomach after being submitted to a second 
mastication, and also that which passes directly into it from the 
paunch and the reticulum, after having been softened in these two 
pouches, is distributed between the numerous leaves which are 
found projecting from the internal surface of this viscus. 
We have found in calves, only a little portion of the caseous 
matter of the coagulated milk. In full-grown cattle there has been 
a homogeneous bouillie of a deep grey colour, composed of 
particles of straw and hay, softened, and in a minute state of divi- 
sion, and disposed, in exceedingly thin layers, between the leaves. 
The third stomach of the sheep fed on grass contained a pulpy 
homogeneous mass of a deep brown colour. In a sheep that had 
been fed on hay there was a brown mass composed of hay and 
woody fibres, and which was ranged in layers between the leaves. 
