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Show 1885.] ON BIRDS COLLECTED BY THE YACHT ' MARCHESA.' 501 Proportions borne to the entire pectoral limb, taken at 100, of:- Radius 3rd metacarpal 3rd phalanx of longest digit (manus) . Phoca. 154-7 30-1 30-1 10-1 13-7 8-3 Otaria. 97-7 26-4 27-5 91 17-2 5-7 Trichechus. 148-2 43-2 32-6 9-9 14-1 8-2 Proportion to pelvic limb, taken at 100, o f :- Femur Tibia 3rd metatarsal 1st metatarsal 3rd phalanx of longest digit (pes) Phoca. 17*7 38-4 9-0 130 7-0 Otaria. 20-0 32-9 11*7 14-7 5*8 Trichechus. 22-9 32-5 11*1 11-4 3-1 2. Report on the Collections of Birds made during the Voyage of the Yacht ' Marchesa/-Part III. On the Collection of Birds from the Island of Sumbawa. By F. H. H. GUILLEMARD, M.A., M.D., F.L.S., &c. [Eeceived April 28, 1885.] (Plate XXIX.) In the month of August, 1883, Mr. Kettlewell, in his yacht * Marchesa,' paid a short visit to the island of Sumbawa, with the intention of visiting the great Tambora volcano, and, if possible, of making the ascent. This, however, was found to be beset with so many difficulties as to be impracticable, and the yacht left after a stay of little over a week, having merely touched at two or three places on the north coast of the island. With such very restricted opportunities but little could be done, and I considered myself fortunate in obtaining a small collection comprising examples of some thirty-eight species. I a m not aware of any account of the Sumbawan avifauna having been published in our own language, and Dr. Jentink informs m e that he knows of none from the pen of any Dutch naturalist; but, from the position of the island, and the researches of M r . Wallace in Lombok and Flores, few novelties could be expected. The present collection, as far as it goes, bears out this expectation, for, with one or two exceptions, all the species are found on one or both of the last-named islands, and I have but two new species to record. One of these, a Turnix, somewhat resembles T. rufilatus of Wallace, but is PROC. ZOOL. Soc-1885, No. XXXIII. 33 |