f the senior member of this board. This station was
named Camp Lazear, in honor of our late colleague, Dr. Jesse W. Lazear,
Acting Assistant Surgeon U.S.A., who died of yellow fever, while
courageously investigating the causation of this disease. The site
selected was well drained, freely exposed to sunlight and winds, and
from every point of view satisfactory for the purposes intended.

The personnel of this camp consisted of two medical officers, Dr. Roger
P. Ames, Acting Assistant Surgeon U.S.A., an immune, in immediate
charge; Dr. R. P. Cooke, Acting Assistant Surgeon U.S.A., nonimmune; one
acting hospital steward, an immune; nine privates of the hospital corps,
one of whom was immune, and one immune ambulance driver.

For the quartering of this detachment, and of such nonimmune individuals
as should be received for experimentation, hospital tents, properly
floored, were provided. These were placed at a distance of about twenty
feet from each other, and numbered 1 to 7 respectively.

Camp Lazear was established November 20, 1900, and from this date was
strictly quarantined, no one being permitted to leave or enter camp
except the three immune members of the detachment and the members of the
board. Supplies were drawn chiefly from Columbia Barracks, and for this
purpose a conveyance under the control of an immune acting hospital
steward, and having an immune driver, was used.

A few Spanish immigrants recently arrived at the port of Havana were
received at Camp Lazear, from time to time, while these observations
were being carried out. A nonimmune person, having once left the camp,
was not permitted to return to it under any circumstances whatsoever.

The temperature and pulse of all nonimmune residents were carefully
recorded three times a day. Under these circumstances any infected
individual entering the camp could be promptly detected and removed. As
a matter of fact, only two persons, not the subject of experimentation,
developed any rise of temperature; one, a Spanish immigrant, with
probable commencing pulmonary tuberculosis, who was discharged at the
end of three days: and the other, a Spanish immigrant, who developed a
temperature of 102.6 deg. F. on the afternoon of his fourth day in camp. He
was at once removed with his entire bedding and baggage and placed in
the receiving ward at Columbia Barracks. His fever, which was marked by
daily intermissions for three days, subsided upon the administration of