TREATMENT OT BLOWN. 



165 



the diseases themselves, numerous attempts have been 

 made to accompUsh it, and in a variety of ways. The 

 best of these tabular views with which I am acquainted 

 is the one laid before the Highland Society some years 

 ago, by Mr Stevenson, who appears to have been the 

 first to publish any thing Hke a satisfactory classifica- 

 tion. His arrangement is, however, defective in several 

 points, more especially as it necessitates the placing in 

 the same division diseases of organs essentially different. 

 Thus he is compelled to admit under *' Diseases of the 

 head" Scabs on the mouth side by side with Sturdy, 

 and Louping ill : in this way mingling affections of the 

 skin with diseases of totally different organs — the brain 

 and spinal marrow — and causing much embarassment 

 to the reader. To obviate this inconvenience, as well 

 as to render the remembrance of the remedies an easy 

 matter, I have adopted the above arrangement, in 

 which each disease is placed opposite the textures it 

 invades. 



(122.) Blown or Blast. Can scarcely be reckoned 

 a disease as it is but a symptom caused by a mechanical 

 impediment to respiration and circulation. When a 

 sheep has been brought from a poor pasture to a rich 

 one it is prone to gorge itself to an extent which may 

 endanger life. The lower end of the gullet becomes 

 obstructed, the gases which accumulate in the paunch 

 are hindered from escaping, and the latter becomes so 

 enormously distended as speedily to suffocate the ani- 

 mal by being forced into the chest. 



(123.) Treatment* of Blown, If the difficulty in 



* In speaking of remedial measures, the word treatment ought to be 

 used in preference to '* cure" which figures at the head of the medical 



