THE EUMINANT STOMACH. 



379 



vast number of longitudinal folds of various heights, but 

 the majority of them are sufficiently large to extend almost 



Fig. 102. 

 A. 



Set. 



B. 



AS, 



Fig. 102.— A, the stomach of a Sheep. B, that of a Musk-deer ( Tra- 



guhts). 

 ffi., oesophagus; Bn., rumen; Ret., reticulum; Ps., psalterium; A., 



^6., abomasum; iJu., duodenum ; Py., pylorus. 



completely across the cavity of the chamber; they thus 

 reduce that cavity to a series of narrow radiating clefts 

 interposed between the lamellae. When this portion of the 

 stomach is slit open, longitudinally, the lamellae fall apart 

 like the leaves of a book, whence it has received the fanciful 

 name of the Psalterium irom anatomists, while butchers give 



