THE PECORA 293 



with its back or grinding teeth, moving the lower jaw from 

 right to left. 



When swallowed for a second time the food passes into 

 the third division, marked d. This receptacle is called the 

 omasus or psalterium. The first name is from a Greek word 

 signifying ' all together/ because the balls which are chewed 

 as the cud are thrown together into it ; the second name 

 literally means a psalter, in consideration of the lining of 

 the receptacle resembling the leaves of a book. The butcher 

 calls it the ' moniplies ' or many-folds. 



The food then passes into the stomach proper, marked e, 



SECTION OF THE STOMACH OF A RUMINANT. 



and which is commonly called the reed or red, from its 

 colour ; the scientific name is abomasus. Here the gastric 

 juice is secreted and the process of digestion takes place. 

 The gastric juice of the calf is the useful material called 

 rennet, with which milk is curdled before converting it into 

 cheese. 



The technical name of the true Ruminants is Pecora, and 

 besides the oxen, sheep, and goats, includes antelopes, deer, 

 and giraffes, which chew the cud in precisely the same 

 manner ; in the case of the camel, llama, and chevrotains, 

 there are divergences, that will be best considered when the 

 particular animals are described. 



