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3. A. M., m., 2½ years, 256, N. Buildings. Notified October 4th.
Onset of illness, October 3rd. Return case, brother, returned
from hospital October 1st. Sequelaœ: enlarged submaxillary
glands, marked coryza.
4. W. S., m., 5 years, 18, C. Row. Notified October 24th. Onset of
illness, October 21st. Return case, sister, returned from hospital
October 12th. Sequelce : excoriated lips and nose.
5. F. M., f., 3 years, 97, C. Buildings. Notified October 31st. Onset
of illness, October 29th. Return case, brother Albert M., returned
from hospital October 8th. Sequelœ: nasal discharge.
In each of these eases all other probable sources of infection were
definitely excluded.
SCARLET FEVER AND SCHOOL INFLUENCE.
During the first 6 months of the year, 148 cases of Scarlet Fever
were investigated by Dr. Sandilands (to whom 1 am indebted for
these notes), with especial reference to the influence of school attendance
on the spread of the disease. In addition to the usual school
register a second record was kept showing the actual class-rooms
attended by Scarlet Fever patients or their contacts. ID cases in all
were traced with some degree of probability to schools, but when
these cases came to lie critically examined in the light of the classroom
records only 0 afforded any evidence of having been infected
by contacts or previous cases attending the same class. The 13
cases remaining must be assumed to have acquired Scarlet Fever
by contact with infectious school-fellows in the playgrounds or
precincts of the school, if they are to be admitted as cases of "school
infection. Even assuming this mode of infection to have been the
true one, it still appears that the part played by schools in the
spread of Scarlet Fever was a small one and only accounted for 13
per cent, of the total cases. A case of some interest was that of
A. C., a boy, aged 7 years, who was notified as suffering from
Scarlet Fever on March 17th, 1904. He was then in the "peeling"
stage. He sat in the same class with W. M., who was then suffering
from Scarlet Fever, on February 12th, and probably acquired the
disease from this boy. Although A. C. continued to attend school