THE RUMINANT STOMACH. 



323 



lum commuaicates by a narrow aperture with the first sub- 

 division of the pyloric moiety, which is somewhat more elon- 

 gated in form. The mucous membrane of this subdivision ia 

 produced into a vast number of longitudinal folds of various 

 heights, but the majority of them are sufficiently large to ex- 



FlG. 102. — A, the Btomach of a Sheep. B, that of a Musk-deer {7'ragulus). ce., ffisi 

 /in., runien ; lief., reticulum ; /*«., psalterium ; A., Al/,^ abomasoiQ ; Itu. 

 denum ; Fy,^ pylorus 



tend almost completely across the cavity of the chamber; 

 they thus reduce that cavity to a series of narrow radiating 

 clefts interposed between the lamellse. When this portion of 

 the stomach is slit open, longitudinally, the lamellse fall apart 

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

 name of the Psalterium from anatomists, while butchers give 

 it that of Manyplies. The fourth segment of the stomach, or 

 second subdivision of the pyloric moiety, is termed the Abo- 



