The numbers of encomiendas and their tributarios, and of monasteries and religious, in the islands, are stated, with the size and extent of Manila.

All the natives are now converted, except some tribes in Central Luzon.

Los Rios describes the Malucas Islands and others in their vicinity, and enumerates the Dutch and Spanish forts therein; and proceeds to state the extent and profits of the spice trade.

He closes his memoir with an itemized statement of the expenses incurred by the Spanish crown in maintaining the forts at Tidore and Ternate.

These amount yearly to nearly two hundred and twenty thousand pesos.
In an appendix to this volume are presented several short papers which constitute a brief epitome of early seventeenth-century commerce in the Far East--entitled "Buying and selling prices of Oriental products." Martin Castanos, procurator-general of Filipinas, endeavors to show that the spices of Malucas and the silks of China, handled through Manila, ought to bring the Spanish crown an annual net income of nearly six million pesos.