38 THE FARM DOCTOR. 



itself in the mouth, throat, and digestive organs, giving rise to 

 bloody vomiting and purging, with high fever and often death. 



(F) Birds — SuiTer from the primary disease and more fre- 

 quently from eating the debris of anthrax victims. In addition 

 to the fever, characteristic swellings appear mainly on the 

 comb, beak, and feet. 



(G) Man. — Malignant Pustule. — There \% itchiness of the 

 affected part, with a minute red spot, increasing in twelve or 

 fifteen hours to the size of a millet-seed, bursting and drying 

 with a livid appearance in thirty- six hours. Next day a new 

 crop of vesicles surround the seat of the first and pass through 

 the same course to be succeeded by another and still wider 

 ring. The whole is surrounded by a puffy, shining swelling, 

 the central dry part passes through the shades of red, blue, 

 brown, and black, becomes gangrenous and insensible, and in 

 case of recovery is sloughed off. At first the disease is quite 

 local, but as it advances a violent fever sets in, which too often 

 proves fatal. 



Malignant Anthrax without External Sivellings. 



Apoplectic Form. — In all animals there is a form in which 

 the victim is cut off after a few minutes' illness, with or without 

 discharge of blood from the natural openings of the body, and 

 before time has been allowed for any of those changes in the 

 blood and internal organs which characterize the disease. 

 These are often to be distinguished from apoplectic seizures 

 and sunstroke only by their occurrence simultaneously with 

 other forms of anthrax and in the same places. 



Anthrax Fever in Horses. — Vigorous health is replaced by 

 dullness, muscular weakness, stupor, hanging on the halter, 

 leaning on the side of the stall, if at work unsteady movement, 

 colicky pains, lying down and rising, turning the head towards 

 the flank. The hair is dry and erect, the hide tense, and may 

 even crepitate on handling; it ti'embles or sweats about the 



