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45
Fish Docks; Poole; Warsash, near Southampton Water; Southwick,
and Emsworth, near Havant.
By way of contrast, Dr. Thorne turns with satisfaction to some of
our most celebrated fisheries on the (Coast of Essex and Kent, and
mentions particularly the Rivers Crouch and Roach, and Whitstable,
as now particularly free from the risk of sewage contamination.
Dr. Klein thus sums up the result of his experiments—
"It follows, therefore, from these experiments, that oysters
from various localities and of diverse origin, which are kept for a
while in sea water previously infected with culture of the typhoid
baccillus, and which remain living and fresh, may and do harbour in
their interior the living typhoid bacillus at intervals of 4, 9, 16, and
even 18 days from commencement of experiment; and that these
oysters on being opened show no abnormal condition, but appear
fresh and quite unaltered. Further it appears that the typhoid
bacillus which was recovered from these oysters, as also from the tank
water, retains unimpaired all the characters of the typical typhoid
bacillus that was used for the experiment."
These experiments certainly show that oysters should not be allowed
to be either laid or stored in places that are liable to sewage
contamination.