PORTO RICO 
189 
meats, tools, fertilizer, oil, machinery, cement, 
structural iron, vegetables, dried fruits, and 
fish, cotton goods, shoes, wines and liquors, 
confectionery, butter, and toilet articles. 
United States money is used exclusively, as 
are also our systems of weights and measures. 
Direct banking is done with the United States 
through nine banks in the island. 
English is the official tongue, Spanish the 
popular language. 
There are no travelers’ taxes and samples 
pay no duty. 
The following cities are the most important: 
Cities 
Population 
San Juan 
Ponce .. 
Mayaguez 
Caguas . 
Arecibo . 
Fajardo . 
Yauco .. 
Guayama 
Humacao 
Aguadilla 
Cayey .. 
Coamo .. 
50,000 
35,000 
17,000 
11,000 
10,000 
9,000 
8,500 
8,500 
7,000 
6,000 
5,000 
4,000