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Show 420 DR. GUILLEMARD ON BIRDS OF THE ' MARCHESA.' [Apr. 21, 23*0 centims. These examples are not separable from Sulu skins excepting as regards size. The following measurements (in centims.) seem to show that the greater dimensions of the former are tolerably constant:- Cagayan Sulu, S H 5J J) )t 5) » >) >» » Sulu Island, » ,, >J » » » » >» 5, V d 2 2 2 6 6 6 6 2 2 SVing. 11*6 11-2 10*5 11-3 11*3 10*2 10*6 10*2 10*3 10*3 10*4 Tarsus. 2*3 2*3 2*2 2*2 2-2 2*1 2-2 2*0 2-0 2-1 2-1 12. CARPOPHAGA PICKERINGI, Cassin. a-e. <S . /. ? • Iris dull red ; bill bluish-green; feet and tarsus dull red. Length 420-44*5 centims.; wing 22-8-25*1 centims.; tail 16*0-17*5 centims. ; culmen 2*0-2*1 centims.; tarsus about 3*0 centims. Sexes alike. These examples correspond with an individual of this species obtained in Sulu Island during the visit of the ' Marchesa' to that Archipelago. There is but little individual variation in the series; but in some the iridescent colour of the tail inclines rather to blue than green. This Pigeon was apparently abundant in the neighbourhood of the crater-lakes. 13. STREPSILAS INTERPRES, Linnaeus. "'. ?• Iris brown ; bill bluish-black ; feet bright orange-red. 14. TRINGOIDES HYPOLEUCUS, Linnaeus. a. 2- Iris brown ; bill brownish black; feet very dark olive. It is singular to observe how the habits of birds are adapted to circumstances. Both this and the preceding species perch on the mangroves, not on the trunks only, but in the branches. A small island near Tanjong Tavo-tavo, if indeed the word island can be applied to a collection of mangrove trees springing from the water, was the invariable resort of a large quantity of whimbrel, whose favourite perch seemed always to be upon the highest boughs. 15. DEMIEGRETTA SACRA, Gmelin. «. 6" • Iris chrome-yellow; tarsus olive, with black patches on the anterior aspect ; feet with under surface bright yellow. |