Sheep, Stomachs of
The four stomachs of the sheep, a grass-eating animal. The beginning of the intestines are also shown, which reach in their full length to 28 times the size of the sheep's body.
Hooker, Worthington First Book in Physiology For the Use of Schools and Families (New York: Sheldon and Company, 1867) 34
Courtesy the private collection of Roy Winkelman