Journal of A^^ricitliurc . Victoria. [lo Aug.. 1912. 



the system by the Mallein test knig before symiJtoms appear, so that 

 it rm.\ be reasonably hoped we \\ill keep our shores clear of this 

 pest, which has been res])onsible for enormous losses in countries in which 



FIG. 21. EPIZOOTIC LVMPIIANGITiS ' HG. 23. EPIZOOTIC LYMPHAN- 

 SHOWING EYE LESIONS. GITIS SHOWING LESIONS ON LEG. 



it has appeared. Great Britain in 21 years — 1887 to 1907 — lost 40>93^ 

 head, which, valued at ^20. equals ^818,720. The organism is from 



8,000th to I '5.ooofh of 

 an inch (Fig. 20). 



" Epizootic lymphangi- 

 tis ' (Figs. 21, 22, 23) i.^ 

 present in India, Africa, 

 Japan, China, France, Swe- 

 (U'li, Russia, Germany, and 

 parts of the United States, 

 and is produced by an 

 organism some i / 6000th to 

 I /8,000th of an inch in 

 diameter. The incubation 

 [leriod varies from three 

 weeks to fourteen months or 

 more. Apparent recovery 

 may occur, and later the 

 di,sea.se re- appears. The 



mortality is low, only about 

 10 per cent, dying; but the 

 after effects are serious, 

 EPIZOOTIC LYMPHANGITIS SHOWING thickened tendons, _ &c., 

 LESIONS ON SHOULDERS. Causing great depreciation. 



FIG. 22. 



