72. FULICA ATRA Linnæus. BLACK COOT. Fulica atra Linnæus, Syst. Nat. ed. 10 (1758), 1, 152; Sharpe, Cat. Birds Brit. Mus. (1894), 23, 210; Hand-List (1899), 1, 109; Oates, Cat. Birds' Eggs (1901), 1, 129; McGregor and Worcester, Hand-List (1906), 19. U-luc' di-á-blo, Manila. Luzon (Heriot, McGregor). Europe, Indian Peninsula, Mediterranean countries, northern and central Asia, China, Java, Sumatra, Celebes. Adult male.--General color above slate-gray, lower back, rump, upper tail-coverts, and tail blackish; head, neck, chin, and throat black; under side of body pale slate or smoke-gray; crissum black; edge of wing and of first primary white; under wing-coverts and axillars smoke-gray. "'Bill very pale lavender, with a pinkish tinge; frontal shield ivory-white; tarsi and feet pearly gray, with a greenish tinge on the sides of the tarsus; garter orange-yellow; iris dark brown' (R. B. S., MS). Length, 368; culmen from base of shield, 34; wing, 218; tail, 56; tarsus, 33; middle toe and claw, 78." (Sharpe.) Adult female.--Similar to the male. In a specimen from Laguna de Bay, Luzon, December 29, 1901, the following colors were noted: Iris dull red; frontal shield and bill white, tip pale horn-brown; feet slate; legs slate with a wash of pale green on middle of tarsi; garter-ring next to feathers dull orange. Wing, 209; tail, 61; culmen including frontal shield, 47; bill from nostril, 15; bill from gape, 32; tarsus, 59; middle toe with claw, 87. "Young.--Much browner than the adult, feathers of head dusky blackish edged with white; lores, eyebrows, and sides of face white; under surface of body ashy whitish, browner on the flanks." (Sharpe.) The black coot is fairly abundant on the Laguna de Bay, Luzon, and doubtless occurs in Mindanao. This bird frequents lakes and ponds and is seldom seen on land. Order COLYMBIFORMES. GREBES. Water birds with tarsus extremely flattened and legs set far back on body; neck long; plumage dense; tail-feathers very short and soft; toes lobed; toes and nails very broad and flat; hind toe small and elevated. Eggs with a white chalky surface; nest a mass of reeds near the water often floating on the water. Family COLYMBIDÆ. Characters same as those given for the Order. Genus TACHYBAPTUS Reichenbach, 1849. [9] Characters same as those given for the Family. 73. TACHYBAPTUS PHILIPPENSIS (Bonnaterre). PHILIPPINE GREBE. Colymbus philippensis Bonnaterre, Tabl. Encycl. Meth. (1790), 1, 58, pl. 46, fig. 3. Podicipes philippensis Grant, Cat. Birds Brit. Mus. (1898), 26, 511. Podicipes philippinensis Sharpe, Hand-List (1899), 1, 113; Oates, Cat. Birds' Eggs (1901), 1, 133; McGregor and Worcester, Hand-List (1906), 19. Su-li-a'-sit, Manila; ga-mao', Bohol.