SELECTION OF FOOD. 5 



a paunch. The fowl crushes beyond the crop; the ox at 

 leisure returns the food to the mouth, to be re-masticated. 

 The horse collects and at once thoroughly grinds, dis- 

 solves, and appropriates food to the system in regular and 

 rapid succession, without the superadded functions of the 

 timid animal, who would seriously suffer from dyspepsia by 



Fig. i. 



41 Fig 1. A. Rumen. B. Reticulum. C. Omasum or Manyplies continuous without 



demarcation with the Abemesum D. I. (Esophagus. G. First Group of Water-cells. 



H. Second Group. E. Pylorus. F. Duodenum. (COLIN). 



' bolting' its food. Habit, therefore, materially influences 

 the collection of food, its retention and appropriation to the 

 wants of the animal. The system of reservoirs for alimentary 

 matters observed in all ruminants is beautifully exemplified 

 in the animals of the desert for the supply of water. The 



