JOURNAL OF ECONOMIC ENTOMOLOGY 
OFFICIAL ORGAN AMERICAN ASSOCIATION OF ECONOMIC ENTOMOLOGISTS 
DECEMBER, 1924 
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This issue has been delayed a little by the loss in the mails of a some¬ 
what large sending of manuscript. It is the first experience of the kind 
which has befallen the editor in some seventeen years. Fortunately 
most of the lost matter had been duplicated by the Associate Editor and 
was therefore quickly available. 
The recent appearance of pneumonic plague on the Pacific coast is a 
serious matter, though the earlier record of California in exterminating 
rats for the control of the bubonic form of this most dreadful disease 
gives assurance that no efforts will be spared to eradicate this most 
deadly affection. Unlike the bubonic type, the pneumonic form may be 
transferred from person to person, since the plague bacillus occurs in the 
sputum; consequently control is more difficult. There is no occasion 
for alarm. There is every reason to believe that the situation is being 
handled in the best possible manner, a protective serum even being 
shipped from the east by airplane. There were tremendous losses of 
life following the introduction of influenza and were it not for recent 
knowledge concerning plague and the methods of its dissemination, this 
latest introduction might mean a national disaster. National and state 
health officers fully appreciate the dreadful possibilities and we may rest 
assured that no stone will be left unturned in an effort to guard the 
health of the American people. In this connection, it is well to remem¬ 
ber that the most serious human costs of wars have not been losses in 
the field nor even the losses from disease in armies, but those resulting 
from epidemics disseminated among the civil populations. A mono¬ 
graphic account of these sequelae of wars, by Dr. Friedrich Prinzing, 
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