at one time underground stream beds, as I noticed 143 old stalactites and stalagmites protruding at various places along banks. On Wednesday night under a very light wind we set sail from Mono and on Thursday at noon arrived at Whitney Island, a hitherto unnamed islet lying to the north of Mono and to the west of Shortland Island. Thursday, December 8th. Whitney Island. Result of a half day's collecting at Whitney Island, a small coral atoll at least ten miles from the nearest point of land, resulted in what appears to be a variation of thickheads, brown flycatchers, an osprey, cocoanut paraqueets, yellow honey suckers, white-headed king- fishers, green herons megapodes, and wagtails. The birdlife for such a small island was remarkable. It is less than a half mile long. There is no human dwelling there. Friday, December 9th. Momulufu. On Friday morning we made sail for Momulufu. This is another small islet lying nearer Shortland Island. Two day's collecting here managed to uncover some brown ground doves, black-headed flycatchers, brown fantails, and common land kingfishers in addition to the birds gotten at Whitney. The entire parrot family (common) is also present, as well as minors, pigeons, and hawks. This island is about a mile long, has no human habitation and is the home of a most unworthy itching plant, which got to all of us before we left. This