XVI.--DEFENSELESS CONDITION OF THE ISLAND. CONSTRUCTION
OF FORTIFICATIONS AND CIRCUMVALLATION
OF SAN JUAN. 1555-1641
XVII.--DRAKE'S ATTACK ON SAN JUAN. 1595

XVIII.--OCCUPATION AND EVACUATION OF SAN JUAN BY
LORD GEORGE CUMBERLAND. CONDITION OF
THE ISLAND AT THE END OF THE SIXTEENTH CENTURY

XIX.--ATTACK ON SAN JUAN BY THE HOLLANDERS UNDER BOWDOIN. 1625

XX.--DECLINE OF SPAIN'S POWER. BUCCANEERS AND
FILIBUSTERS. 1625-1780

XXI.--BRITISH ATTACKS ON PUERTO RICO. SIEGE OF SAN
JUAN BY SIR RALPH ABERCROMBIE. 1678-1797

XXII.--BRITISH ATTACKS ON PUERTO RICO (_continued_).
INVASIONS BY COLOMBIAN INSURGENTS. 1797-1829

XXIII.--REVIEW OF THE SOCIAL CONDITIONS IN PUERTO RICO AND THE
POLITICAL EVENTS IN SPAIN FROM 1765 TO 1820

XXIV.--GENERAL CONDITION OF THE ISLAND FROM 1815 TO 1833

XXV.--POLITICAL EVENTS IN SPAIN AND THEIR INFLUENCE ON AFFAIRS
IN PUERTO RICO. 1833-1874

XXVI.--GENERAL CONDITIONS OF THE ISLAND, THE DAWN OF FREEDOM.