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Show 1880.] DR. O. FINSCH ON NEW PIGEONS. 577 *16. ARDEA SACRA, Gm. 17. ARDEA SINENSIS, L. 18. NYCTICORAX MANILLENSIS, Vis. 19. ORTYGOMETRA CINEREA, Vieill. This species breeds on Ruk. The nest is placed in the grass on swampy ground, and contains but two eggs. The latter (14'" long, 11'" diameter) are speckled all over minutely with pale rufous-brown on a pale yellowish-rufous ground. *20. STERNA BERGII, Licht. *21. STERNA MELANAUCHEN, Temm. 22. ANOUS STOLIDUS (L.). Agrees with specimens from Ponape and Kushai. 23. ANOUS MELANOGENYS (Gm.). *24. GYGIS ALBA (Sparrm.). *25. PUFFINUS OBSCURUS (Gm.). *26. PHAETON CANDIDUS, Briss. *27. PHAETON RUBRICAUDA, Briss. *28. TACHYPETES AQUILA, L. *29. DYSPORUS SULA, L. 3. On two Species of Pigeons from the Caroline Islands. By OTTO FINSCH, M.D., C.M.Z.S., &c, late Director of the Zoological Museum of Bremen. [Eeceived August 12, 1880.] 1. PTILOPUS HERNSHEIMI, sp. nov. Diagn. Like P. fasciatus, but without any marked pectoral or ventral spot; lower part of breast and sides of vent of a uniform grass-green. Hab. Kuschai (Strong Island, Ualan). Kittlitz long ago mentioned a small Pigeon as observed by him on the island of Ualan, which he did not obtain. It is now m y privilege to be the first naturalist to report on this species; and, after a careful investigation, I feel no doubt as to its specific distinctness, and have given above its chief characteristic differences from its nearest ally. I may remark that I have been able to compare ten specimens. These all correspond in wanting the pectoral spot, which is a well-marked feature and very significant in distinguishing |