Between 19611974 I made several small expeditions to the areas, which we called Oriental region from the zoogeographical point of view, and adjacent regions for the purpose of collecting and investigating birds.
These areas are Amami Is., Java Is., India, Formasa, Borneo, Malay Peninsula, the Philippines, and New Guinea.
Being helped by friends of mine and organizations in these areas, I could get skins of including 54 Families, 195 Genera, 377 Species, 437 Subspecies, and 818 in number.
Some of them were purchased or exchanged with ones that had been collected by ornithologists in these areas.
The list of the name of these birds is as follows, and the classification of ones is almost based on 'The check-list of birds of the world' by Peters.
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