104 PROCEEDINGS OF THE SCIENTIFIC ASSOCIATION, 
Association. He did not claim as a scientific man to be a 
member, but as an earnest admirer of every branch of sci- 
ence. His Excellency thought that the Association was one 
that was much required in the island, where there was so 
much to be done, and where so little had yet been done. 
Special General Meeting. 
The Association resolved itself into special general meet- 
ing, for the revision of the [Rules. 
An amendment of the 8th [Rule, raising the subscription 
to £1 Os. 10d., was carried by a majority of 8 against 1. 
It was resolved that a Council should be appointed for 
the general management of the affairs of the Association, 
and that such Council should consist of the President, the 
Secretary, and one other member to be elected annually. 
Some other amendments were made in the Pules. 
Tuesday, \2th March, 1867. 
The Hon. Louis Antoine Aime de Yerteuil in the Chair. 
The following communication was read : — 
Hygienic Considerations on Port- of- Spain. 
By the Hon. Louis Antoine Aime de Yerteuil, M.D. 
According to the Geological Survey of Messrs. Wall and 
Sawkins, the Island of Trinidad is situated between 10° 
50' 20' and 10° 4' 6" lat. N. and between 60° 56' 35' and 
61° 59' 30' long. W. It belongs to the equatorial zone. 
The mean temperature is 76° to 80°; maxima, 93°; minima, 
73°; greatest range, 16°. Atmospherical pressure, 29*870 
to 29*872 inches; maxima, 29*907 ; minima, 29*775. Quan- 
tity of rain per year, 70 to 71 inches ; maxima, 88 to 90*; 
