_Ph[alacrocorax] melanoleucos_ Reichenow, Die Vögel, 1, 1913, p. 127 (Palauinseln). _Microcarbo melanoleucus melanoleucus_ Kuroda, in Momiyama, Birds Micronesia, 1922, p. 35 (Pelew). _Microcarbo melanoleucus melvillensis_ Mathews, Syst. Avium Australasianarum, 1, 1927, p. 228 (Pelew); Hand-list Japanese Birds, rev., 1932, p. 186 (Babelthuap, Koror). _Haliëtor melanoleucos melanoleucos_ Peters, Check-list Birds World, 1, 1931, p. 93 (Pelew). _Phalacrocorax melanoleucus melanoleucus_ Mayr, Amer. Mus. Novit., no. 486, 1931, p. 5 (Pelew); Amadon, Amer. Mus. Novit., no. 1175, 1942, p. 2 (Palau); Mayr, Birds Southwest Pacific, 1945, pp. 50, 284 (Palau, Marianas); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 41 (Palau). _Phalacrocorax melanoleucos melvillensis_ Hand-list Japanese Birds, 3d ed., 1942, p. 207 (Pagan, Babelthuap, Koror, Angaur). _Geographic range._--Tasmania, Australia, Lesser Sunda north through Melanesia to Palau Islands. In Micronesia: Palau Islands--Babelthuap, Koror, Garakayo, Ngabad, Peleliu, Anguar. _Characters._--Adult: A small cormorant with upper parts black with dull greenish gloss; under parts white except vent and under tail-coverts which are sooty-black. _Measurements._--The author (1948: 41) gives the following measurements of two adult females from Peleliu: wing, 220 and 222; tail, 153 and 157; culmen from notch of suture between maxilla and quadratojugal bones, 35 and 36. _Specimens examined._--Total number, 15 (1 male, 12 females, 2 unsexed), as follows: Palau Islands, USNM--Peleliu, 6 (Aug. 27, Sept. 7, 10, 16); AMNH--exact locality not given, 9 (Nov. part). _Nesting._--Nehkorn (1899:235) recorded eggs taken at Palau. Some of the specimens obtained by Coultas in November, 1931, had swollen gonads. The author found no evidence of nesting in August and September, 1945, in the southern Palaus. _Food habits._--The author (1948: 41) found small fish in the stomachs of birds taken in August and September. The contents of each stomach averaged approximately 3 cc. in volume. _Parasites._--Uchida (1918:486) found the bird louse (Mallophaga), _Lipeurus subsetosus_, on the Little Pied Cormorant from Palau.