3802 ANIMAL PHYSIOLOGY. 
@. 260.—A. Stomach of sheep. B. Stomach of musk-deer. @, cesophagus; Rn, rumen; 
Ret, reticulum ; Ps, psalterium ; A, 4b, abomasum ; Du, duodenum ; Py, pylorus (Huxley).. 
vy 
) 
Fic. 261.—Stomach of horse (after Chauveau). A, cardiac extremity of oesophagus; B, 
pyloric ring. 
