( IOO ) 
By Article XIV. — Merchandise shall be only disinfected when 
in the opinion of the Health Officer it is infected, provided that in the case 
of Yellow fever merchandise shall under no circumstances be liable to 
disinfection or prohibition. 
By Article XVI. — Nothing in these regulations shall render liable to 
detention, disinfection, or destruction, any article forming part of any mail, 
other than a parcel mail, conveyed under the authority of the Postal 
Administration of any Government, or shall prejudicially affect the 
delivery in due course, of any such mail, other than a parcel mail to the 
Post Office. 
By Article X VII. — When any port within the Colonies is an infected 
place, measures shall be taken to prevent the embarkation from such port 
of any person showing any symptoms of infectious or contagious disease. 
To this end every person taking passage on a ship leaving such port shall 
be examined by the Health Officer immediately before the departure of 
the vessel. Such examination shall, as far as practicable, be made by day 
and on shore. Measures shall be taken to prevent mosquitoes, in the case 
of Yellow fever, from gaining access to ships. When access of mosquitoes 
to the ship cannot be prevented, measures should be taken immediately 
before the departure of the vessel to secure the destruction of the mos- 
quitoes on board. The Health Officer shall give to the master of the ship 
a^certificate suiting in detail the measures taken. 
By Article XVIII. — When in the case of a healthy ship from a port 
which is an infected place the Health Officer at the port of arrival is 
satisfied that the measures certified in Article XVII. have been efficiently 
carried out, such ship shall be exempted from the measures specified in 
Article VII. Provided always that if the period specified in that Article, 
and dating from the departure from the infected place, shall not have been 
complete, the passengers and crew shall be subjected to surveillance of 
such duration as is necessary to complete the period. 
Comparisons between Articles of the West Indian and the Pan- 
American, 1905, Sanitary Congresses. 
Both Conventions agree that 
(1) A Central Quarantine Authority, 
(2) Observation Stations (Quarantine Stations) and Isolation Hospitals, 
(3) Abolition of fees, and 
(4) Compulsory Notification 
are essential. 
Definition of — 
Infected Place. — Both Conventions agree in regarding imported cases 
as not causing a place to be declared infected. Also that a single first 
non-imported case does not cause a place to be declared infected. 
(Article VII. Pan-American Convention), 
Infected Ship. — Here there is a difference between the two Conven- 
tions. By the West Indian Conference the ship is infected if a case of 
Yellow fever has occurred within seven days previous to date of arrival. 
In the Pan-American Convention a skip is infected if Yellow fever has 
occurred at any time during the voyage ( from last port). 
This is no doubt necessary, as if there are mosquitoes on board the 
infection may be transmitted to them from the patient, and 12 days 
afterwards and onwards for a considerable time they may be able to 
transmit the disease. 
