CROUP. 317 



linseed, cake meal, etc. Sulphuric acid given several times 

 a week, in doses of half an ounce by weight, largely diluted 

 with water, will sustain the vital powers, and impart te- 

 nacity to the buccal membrane throughout the body. 

 Occasional doses of sulphate of iron and gentian ; three 

 drachms of iron and half an ounce of the gentian, will 

 make one dose. Such treatment will prolong the life, 

 and at the same time improve the condition and milking 

 qualities of the cow. 



Contagious Typhus. — (See Typhus Contagiosus 

 Bourn.) 



Coryza. — (See Catarrhus, Linuum and Hoose.) 



Cow Pock, — It will be unnecessary for me to enter 

 into the discussion of a subject, which is so familiar to 

 the ears of so many, and which is of so much benefit to 

 the human family as cow-pox. 



Cow-pox is a specific pustular eruption on the skin of 

 the teats and udder of the milch cow. It is not a dan- 

 gerous disease, although at the same time, it is a con- 

 tagious one, and easily communicated to man or milk 

 maid. This discovery, together with the immunity 

 which is insured from the natural or small-pox, has im- 

 parted the stamp of immortality upon the name of 

 Jenner. 



Croup. — Stridulous croup in animals is rare, but it is 

 seen occasionally in milch cows, and is very fatal, from 

 the fact that it is situated in the larynx, which speedily 

 causes sufibcation, unless the windpipe be opened with a 

 knife, to admit of the act of respiration and expiration, 

 till the swelling of the head of the windpipe has passed 

 off. 



Cause, — Cold attacking the head of the windpipe, fol- 



