THE SPANISH-AMERICAN WAR 408 lately sent to the island, and therefore as yet free from malarial infection and yellow fever; the rest were drafted from the great camps of instruction in the United States.

General Miles sailed from Guantanamo for PuertoRico on July 21st. The transports which conveyed this first section of the expedition were convoyed by a powerful squadron. The battleship Massachusetts acted as flagship, and with her were three monitors,five cruisers,and five armed liners. Though officially described as on convoy duty, this fleet was not really The headquarters were at San Juan. The garrison of the city and the forts consisted of two battalions of three companies each of infantry, the 12th battalion of fortress artillery, a telegraph company, a section of cavalry, the 3rd Sanitary Brigade, and one battalion of volunteers.

The island was divided into eight military departments, with these troops:— Bayamon, two battalions volunteers; Arecibo, one company regulars, two battalions volunteers; Aguadilla, two companies regulars, one battalion volun-SOME OF ROOSEVELT'S ROUGH-RIDERS WITH COLT RAPID-FIRE GUNS.

meant to protect the transports from attack on thehigh seas, for Spain hadno longer any ships in West Indian waters available for the purpose. The duty assigned to the warships was to cooperatewith the army if there was any attempt to resist the landing, then to blockade Puerto Rico,and to bombardthe sea forts of San Juan whenthe time came for the attack on the capital of the island.

Four brigades were first despatched to Puerto Rico— one from Guantanamo, accompanied by General Miles, another from Charleston, a third from Tampa inFlorida,and a fourth from Newport News in Virginia. Various detachments were subsequently drawn from Chickamauga Camp toreinforce the expedition. The following teers ; Mayaguez, one battalion regulars, two battalions volunteers; Ponce, one battalion regulars, three battalions volunteers;Guayama, onebattalion regulars, twobattalions volunteers; Humacao, two companies regulars, one battalion volunteers;and the island of Vieques, one company regulars,one companyvolunteers.

The force destined for the invasion of Puerto Rico far outnumberedthe Spanish garrison, even counting the Puerto Rican volunteers as an effective force. In all, some 35,000 men were detailed for the expedition,and, profitingby the lessons of the advance on Santiago, the force was especially strongin artillery. About 3,400 men were brought from EasternCuba by Miles ; the regiments selected being some of those most