West of the city, connected with it by railway, and formerly called La Boca), the port of Panama and the actual terminus of the canal, is in the Canal Zone and is a port under the jurisdiction of the United States, the commercial future of Panama is dependent upon American tariffs and the degree to which Panama and Balboa may be identified.
From the " Boca Grande " of the Orinoco.
There were formerly two entrances to the harbour - the Boca Grande (large mouth) between the low sandy island or peninsula on which the city stands and the island of Tierra Bomba, and the Boca Chica (small mouth) at the south end of the latter island.
The Boca Grande was filled with stone after the city had been captured three times, because of the ease with which an enemy's ships could pass through it at any time, and the narrow and more easily defended Boca Chica, 7 m.
The boundary with British Honduras was determined by a treaty of 1893 and is formed in great part by the Hondo river down to the head of Chetumal Bay, and thence through that bay to the Boca Bacalar Chicathe channel separating Yucatan from Ambergris Cay.
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