They commenced their attack from the fort and mortar battery called La redonda, which they had placed under the orders of a French officer of artillery, who manifested a perfect knowledge of his profession during the conflict.
"History of the War Between Mexico and the United States, with a Preliminary View of its Origin, Volume 1"
Brantz Mayer
The following night the besieged sustained a severe loss by the treacherous surrender, by its commander, of Fort redonda, which stood on the seashore and commanded the landing.
"The Bravest of the Brave or, with Peterborough in Spain"
G. A. Henty
The discovery of this intended treason, following so closely on that at Fort redonda, excited suspicions of the loyalty of the Spanish Governor of Montjuich, and he was superseded and the Earl of Donegal appointed to the command.
"The Bravest of the Brave or, with Peterborough in Spain"
G. A. Henty