"Notes On Four Birds From Luzon And On A Species Of Doubtful Occurrence In The Philippines" presents detailed ornithological observations and findings by Richard Crittenden McGregor. This compilation includes four distinct studies: "Notes On Birds From Apo Island," "Notes On A Collection Of Birds From Banton," and "Notes On A Collection Of Birds From The Island Of Tablas." Each section offers valuable insights into the avian species inhabiting these specific locales within the Philippines. McGregor's meticulous notes provide essential data for ornithologists, researchers, and anyone with an interest in the natural history of the Philippines. These reports contribute to a greater understanding of bird distribution, behavior, and taxonomy in this biodiverse region. A valuable resource for both historical and contemporary studies of Philippine avifauna. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.