62 DISEASES OF CATTLE. 



PI.ATK IV Continued. 



carrying bile from the various lobules into the gall bladder ami into the 

 intestines; x, x, intralobular bile capillaries between the liver cells. These 

 form a network of very minute tubes surrounding each ultimate cell which 

 receives the bile as it is formed by the liver cells and carried ontward as 

 described. 



Fig. ii. Isolated liver cellar c, blood capillary; a, fine bile capillary channel. 

 PLATE V: 



Appearance of ergot in hay: 1, blue grass; 2, timothy; 3, wild rye; 4, red-top. 

 Ergot is a fungus which may affect any member of the grass family. The spore 

 of the fungus, by some means brought in contact with the undeveloped seed 

 of the grass, grows, obliterates the .seed and practically takes its place. 

 When hay affected with ergot is fed to animals it is productive of a charac- 

 teristic and serious affection or poisoning known as ergotism. 

 PLATE VI : 



Illustrates the effects of ergot. The lower part of the limb of a cow showing the 

 loss of skin and flesh in a narrow ring around the pastern bone, and the 

 exposure of the bone itself. 



