The fleet conveyed an army of 12,000 men, led by General Cathcart, and the number of seamen amounted to 15,000.
The army was composed of British regulars, battalions from the American colonies, and negroes from Jamaica—the greatest armament ever seen in the West Indies.
The second in command of the troops was Sir Alexander Spottswood (q. v.), formerly governor of Virginia.
The expedition met with disaster.
While the fleet, with the soldiers yet on hoard the transports, was blockading Carthagena, the yellow fever broke out among them with great fury.
Cathcart and Spottswood perished by the disease, and the command devolved on General Wentworth, who could not agree with Vernon.
After several unsuccessful attacks upon the city, the enterprise was abandoned, with immense loss, chiefly through sickness.
Additional troops were sent from Massachusetts, and, with them, Vernon sailed for Cuba, but was unsuccessful.
A fleet under Anson, which had been sent to the Pacific to repeat th