There are an island of Mindoro and a province of Mindoro; an island of Palawan and a province of Palawan.

In each case the province, which includes numerous small islands, as well as the large one from which it takes its name, is much larger and more populous than is the main island, and obviously it is the province with which we are concerned.
Even if Blount wished to limit discussion to the Christian natives commonly called Filipinos, his procedure is still wholly unfair.

Of these there are 3,575,001 in Luzon and 3,412,685 in the other islands.

In other words, the Filipino population is almost equally divided between the two regions.
As he would not have found it convenient to discuss the conditions which arose in Mindanao under Insurgent rule, he attempts to show that no political importance attaches to them.

In the passage above quoted he does not so much as mention either Mindoro or Palawan (Paragua).