THE FEED PROBLEM 



255 



cent, water and 1.74 pen- cent, solids, of whicli 0.8S parts are 

 organic matter, containing; 0.80 i)arts of ferment. The re- 

 maining 0.86 parts are salts, which include considerable so- 



Fu;. 98. — A photograph of the organs of digestion and respiration; 

 a. Tongue; 6', first portion of the esophagus, //-, tlie crop; c, the Uver, showing 

 the gall-bladder just below the c; d, the proventriculus; c, the gizzard; /, 

 the duodenal fold — the first portion of the small intestines between which 

 [nay be seen the pancreas; g, the ceca; h, the rectum or large intestines; 

 /, the anti.s — the expansion just back of the anus is the cloaca; ,/, the trachea 

 or "w'indpipe;" k, the lungs. The spleen is the oval body just above the 

 letter d. 



dium phosphate, chlorid, potassiiun, carbonate, and calciufii, 

 also small quantities of magnesium phosplfate. 



