The Stomachs and Guts. 
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CHAP. IX. 
Of the Vfes of thefe Tarts. 
f ' " 1 He Quiets of Birds, are bigger or lefs, according to the 
^ quantity they fwallow. More or lefs Glandulous, 
according to the Solidity, or the Drynefs of their Meat. 
And with refpect to the fame, the Figure thereof is more 
fimple 3 or expanded into a Crop 3 by which it is retained a 
longer time, before it further defcends. And according as 
lefs or more Time is requir'd, the Crop is made fo, as either 
to have its Axis, the fame with that of the Gulet 5 or elfe to 
ftand Collateral, and fo open tranfverfly into it. 
After the Meat hath been fufficiently macerated there, it 
defcends into the Echinus, for a fecond preparation. So 
much the more thorowly made here,becaufe by far greater 
Glands. And what was done before to all at once, is here 
in, to fmaller parcels. This Part in fome fort anfwering to 
the Crop, as the Reticulum, in a Sheep, to the Punch. Withall 
it fhould feem, That when the Gizard is either over loaded, 
or the Meat not enough prepar d 3 'tis thence returned back 
to this Part, ( as the Reticulum alfo fubferves the Omafus) till 
It and the Gizard are more ready, one for the other. For 
which end alfo the Mufcular Neck, below the Echinus, ferves 
as a Sphincter to purfe it up. 
At length it defcendeth into the Third Ventricle. Either 
Membranous, as in moft Carnivorous Birds 5 where the 
Meat is concocted as in a Man. Or fomewhat Tendinous, 
as in an Owle 3 as if it were made indifferently for Flefh, or 
other Meat, as he could meet with either. Or moft Thick 
and Tendinous, called The Gizard 3 wherein the Meat, as in 
a Mill, is ground to pieces, and thence prelTed by degrees 
into the Guts in the form of a Pulp. For which purpofe, 
the Dedutlor ferves to deliver the Meat from the Echinus 
to the Laboratory 5 as a Hopper to a Mill. The four Grinders 
or chief Operators,as the MiUflones : Partly ,as they are extra- 
ordinary Thick, and made with double Tendons 5 whereby 
they are conftring'd with the greater force. And partly, 
as their Tendons Hand high in the centre, fo as to be arched: 
for fo, every time the Tendons are contracted, they muft 
