8 DEPARTMENT OF AGRICULTURE. 



loft unlM'Oik'd now, harass the stook-iaisors of tho entire continent, anti 

 brin.y imverty and ruin to many thousands of families. 



The report has been subdivided, for convenience of reference, nnder 

 the followin*'- heads: 



I. Names by which the lung plague is or has been known in different 

 parts of the world. 



II. History of the lung plague from the remotest to the present time. 



III. Signs or symptoms by which the disease is recognized during life. 



IV. Signs or appearances l)y which it is recognized after death. 



Y. How the disease is induced, with special reference to predis- 

 posing causes and the nature of contagion. 



VI. The pathology or nature of Inng plague. 



VII. Medical or curative treatment of the lung plague. 



VIII. Prevention of the lung plague. 



NOMENCLATURE. 



The popular term murrain was applied, in times past, to all fatal cattle 

 diseases that prevailed in an epizootic form. The lii'st satisfactory de- 

 scription of the lung plague, written by Boiu'gelat, in 1769, teaches us 

 that the malady had been known for some years in Franche-Comte, 

 under the name "miuie." The expression "pulmonary murrain" has 

 been somewhat extensively used in Great Britain of late years, espe- 

 cially when reference has been made to the outbreaks of the last century, 

 which has been considered as due to the simultaneous introduction in 

 the British Isles of the Steppe murrain, commonly known as rinderpest 

 and cattle plague, and contagious lung disease. 



When free trade first admitted continental cattle and the lung 

 plague into the British Isles, this century, the dairyman who first 

 observed the now fatal foot and mouth disease at once became alarmed 

 at the " new disease," which proved incurable. Professor Hertwig, of 

 Berlin, and correspondents of agricultural papers, soon enabled our 

 veterinarians to recognize in the " new disease " the Lungensciiche, or, 

 literally, lungs' plague of cattle, which had been studied with great 

 ability by the veterinary surgeons of Germany. Haller had termed it 

 Viehseuclie, and expressed his astonishment that it had not been recog- 

 nized as a disease of the lungs. 



German writers w^ere so numerous that attempts were not rare to give 

 a scientific name to the disease, and Sauberg (juotes seven Latin sen- 

 tences em])loyed by different authorities in accordance with the views 

 of the nature and origin of the disease. They are : 



Peripneumonia pecorum epizootica typhosa—Veith,Tscheulin,Biirger. 



Perii>neumonia exsudativa contagiosa— By chner. Van Hertum. 

 Peripneumonia exsudativa enzootica et contagiosa — Gielen. 

 Periinieumonia s. pleuroi)neumonia pecorum enzootica — Dieterichs, 



Vix. 



I'leuritis rheumatico-exsudativa — Wagenfeld. 



