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Show 418 DR. F. H. H. GUILLEMARD ON BIRDS COLLECTED [Apr. 21, The entire collection obtained upon the island numbers but fifteen species. Setting aside seven of these as being of wide distribution, we have eight species remaining. Of these, two only are Philippine- Tanygnathus luzoniensis, and a Calornis,which, though not specifically separable from C. panayensis, is of markedly larger dimensions. Two-Chibia pectoralis and Carpophaga pickeringi-occur, so far as we know, neither in Borneo nor the Philippines, but are found in the Sulu Islands; three of the remaining four are purely Bornean ; and the last is a new species of Mixornis, probably peculiar to the island. It is interesting therefore to note that, while to the westward Cagayan Sulu is connected by shallow soundings with the great coral-reefs at the north of Borneo, to the east it is separated from the Sulu Archipelago by a comparatively deep sea. 1. TANYGNATHUS LUZONIENSIS, Linnaeus. a, b. J . Iris yellow; bill scarlet; tarsus olive-green. The blue of the head is much brighter than in examples from Sulu Island, and is more extensive, occupying the vertex instead of being confined to the occipital region. A specimen from Lapac Island in the Sulu Archipelago is intermediate in this respect between the Sulu and Cagayan Sulu birds. The present examples have the under surface more strongly washed with golden yellow. The natives keep this species in captivity. 2. SAUROPATIS CHLORIS, Boddaert. a, b. S • Iris brown ; bill leaden black, base of lower mandible whitish ; feet brown. Abundant on the sea-shore and at the crater-lakes. 3. EUDYNAMIS MALAYANA, Cabanis. a, b. S. c. 2- Iris in male crimson ; bill pea-green ; feet and tarsus olive-green. Length of male 41*0 centims. Agrees with Bornean skins. 4. CENTROCOCCYX EURYCERCUS, Hay. a. 6 . Iris brown ; bill black • tarsus lead-coloured. This species has been recorded from Palawan by Mr. Everett. 5. LALAGE TERAT, Boddaert. «. c?. Iris yellow; bill and feet black. Not distinguishable from Bornean or Philippine examples, but peculiar in having a yellow iris. 6. CHIBIA PECTORALIS, Wallace. a-c. S • d. 2- Iris ruddy brown in a, brown in the female d; in the others I have made no note of the colour. Bill and tarsus black. A close comparison with skins from Sulu Island which, from the presence of |