He compares it here with Myzomela rubrata, which he considered as a resident of the Mariana Islands.
The Mariana Islands consist of a chain of volcanic islands approximately 450 miles long.
The Mariana Islands lie between the area of the Asiatic monsoon and the belt of the northeast trade winds.
Of the 17 species of migratory shore birds recorded from the Mariana Islands, eight were identified.
It is interesting that Ducula or some other large pigeon has not become established in the Mariana Islands.