I 
EDITORIAL. 
3 
jected to much further close observation; but, nevertheless, 
the numerous reports published in veterinary periodicals all 
over the world seem already sufficient to have established 
beyond doubt their positive value, and to show that the day 
has certainly arrived when errors of diagnosis in these two 
diseases should be considered things of the past. 
In the February issue of the Journal of Zootechnie , pub¬ 
lished in Lyons, there is a paper from the pen of the great in¬ 
vestigator, Director S. Arloing, which brings us the good 
news of the discovery of a new preparation in pneumo-bacil- 
line, by which, judging from results already obtained, the 
diagnosis of incipient contagious pleuro-pneumonia may be 
rendered as positive as that of either of the diseases already 
mentioned. 
The new product, to which Director Arloing gives the 
name of pneumo-bacillme , is said to have been already sub¬ 
jected to experiment, and to have exhibited detective and re¬ 
vealing properties which, by the evidence of special reactions, 
promises to be of great advantage to the embarrassed inves¬ 
tigator. The article of Director Arloing, of course, treats 
only of the discovery and its results in the light of present 
developments, but it promises additional information when 
fresh observations shall have been followed by more knowl¬ 
edge. Those who best know by actual practical experience 
how the true location of a small peri-pneumonic spot may be 
determined will be the first to understand and appreciate the 
value of the discovery of the properties of pneumo-bacilline, 
and most carefully watch for reports of further results. 
It would certainly be an interesting fact if it should so 
occur that the disagreement which exists between certain 
American and English veterinarians as to the exact nature of 
certain pulmonary lesions, and whether they are of a true 
pleuro-pneumonic type, should be decided by this discovery 
of Arloing. 
