ON PHTHISIS IN COWS. 
355 
profession, and its accessoiy arts, many a pleasing recollection 
will hereafter be associated with the memory of the hours thus 
spent; and the benefit resulting from them wull be felt and 
acknowledged through the whole course of their professional 
career. 
If this society should maintain its ground, we shall regard it, 
on many accounts, as the auspicium melioris (£,m, and for this 
reason among others, that perhaps the other meetings may be so 
modified as gradually to attract to them the practitioners of the 
metropolis, and give us, what it is highly disgraceful that we 
have not, a useful and harmonious association of those who 
are engaged in the pursuit of the same art. 
Y. 
Report addressed to the Prefect of Police, by M. 
HuZARD, JUN., RESPECTIiNG THE PuLMONARY PhTHISIS 
OF Cows IN Paris and its Environs. 
Mr. Prefect,—I have the honour to send to you certain obser¬ 
vations which you require respecting the diseases now prevalent 
among the milch cows of Paris and its vicinity. These diseases 
have almost driven the cow-keepers of this department to de- 
spair; and until the present moment they have failed to excite 
the attention of government. You will pardon some details, 
which appear to be necessary, in order that these maladies may 
be better understood, and also the causes which render them of 
so frequent occurrence in Paris. 
Of all the species of domestic animals, cattle are the most 
subject to affections of the chest. 
The principal cause of this is the treatment to which we subject 
these animals, in order to procure a continual secretion of milk. 
Medical physiologists well know how much the secretion of milk, 
developed by child-bearing affect the pulmonary organs; they 
know what relations are immediately established between the 
lungs and the mammae, and what precautions women who give 
suck are obliged to take at that time. Veterinarians, on their 
part, have observed the same relation in cattle; and all who 
have been accustomed to these animals well know that a primitive 
