208 THE CONTAGIOUS TYPHUS 



periods, from the period of incubation to that 

 of its decline. 



4th. Finally, we shall insert the laws and 

 sanitary regulations which have been published 

 in England relative to this disease. 



As will be seen, by adopting this method, 

 the whole matter will be considered conse- 

 cutively and in regular order ; and the reader 

 will understand that when such a phase of the 

 malady is developed it is because the pre- 

 ceding one, which is the cause of it, has not 

 been effectually contended with. 



I. 



Means and Measures to be employed to resist the 

 Causes of the Contagious Typhus of the Bovine 

 Species. 



We have shown fully and explicitly in what 

 countries of the globe, and in what particular 

 conditions, the typhus is generated among 

 oxen. We know that this dire disease has 

 its focus on the banks of great rivers or lakes, 

 which are periodically overflowed, and on which 

 is deposited a slime teeming with organic 



