280 PROCEEDINGS OF THE SECTIONS. 
that any port or country is affected with infectious disease, @ 
vessel arriving from such country is rigorously examined, no with- 
standing her having touched at and received pratique at a colonial 
port ; and, moreover, in her case the examination must be con- 
ducted during daylight at the Quarantine Station. If the board- 
ing officer is satisfied that her admission it not likely to endanger 
the public health, he immediately gives her pratique ; but if the 
course necessarily been within the range of infection, are 
taken on shore, isolated, and detained for twenty-one days, which 
