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Show 740 DR. O. FINSCH ON THE [Nov. 6, 5. CARPOPHAGA PACIFICA (Gm.) No. 118. Api. " Male, young. This bird was in poor condition, and had nothing in the stomach. Bill blackish-blue ; legs dull red eyes brown."-J. M. This is a young bird, with not full-grown wings and tail-feathers (wings only 6" 11'", tail 4"), but in coloration exactly like older ones from the Tongas. Some of the tail-feathers and secondaries show the singular hairy filaments which denote a young bird still unable to fly. D. BIRDS OF TAHITI, SOCIETY GROUP. The 'Challenger'remained at Tahiti from the 18th of September till the 2nd of October, 1875. Sixteen specimens of birds were collected, which I refer to four species. 1. CALLOCALIA FUCIPHAGA (Thunb.). Collocalia cinerea, Finsch, Journ. Mus. Godeffr. Heft xii. 1876, p. 25. C.fuciphaga, Wall. P.Z.S. 1863, p. 384; Sclat. P.Z.S. 1865, p. 616. No. 559. Tahiti. Male. No. 560. „ ,, No. 561. „ Female. Eyes black. Long. al. in. lin. 4 7 4 6£ 4 7 4 9 4 5 3 11 4 2 4 0 rectr. interm. lin. 21 22 22 25 19 18 20 19 rectr. extern. lin. 26 No. 559. Tahiti. 26 560. 26 561. 27 teste Pelzeln. 23 fuciphaga, Java. 20 [ vanicorensis, Ponape (8 ex.). J 21 francica, Bourbon. Having now, for the first time, the opportunity of examining specimens of the Collocalia of Tahiti, I find no specific distinctions from the well-known C. fuciphaga, so widely distributed in the Indian and Malay archipelagos. The specimens before me are not of so light a greyish-brown as one would expect from the descriptions sent me by Herr von Pelzeln ; on the contrary, the whole under-surface is a little darker than in Javan specimens; but the difference is so slight that no character can be based on it. C. vanicorensis corresponds in coloration exactly, but may perhaps be kept separate on account of the smaller size. From the latter, C. francica, Gm. (from Bourbon and Madagascar), seems scarcely separable ; only the under tail-coverts show a more intense green gloss. Mr. Wallace (/. ci) is perhaps right in uniting also these two latter species under C. fuciphaga. |