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Show 698 THE MARQUIS OF TWEEDDALE O N [Nov. 6, 56. DICCEUM RUBRIVENTER. Pipra papuensis, Gm. S. N. i. p. 1004. no. 21 (1788). Dicceum rubriventer, Lesson, Tr. p. 303 (1831). Dicceum retrocinctum, Gould, B. As. xxvii. t.-, inf. ; Walden, t. c. no. 120. partim ; conf. Salvadori, Ann. Mus. Civ. Genoa, viii. p. 509. [Monte Alban. d'• iris bright brown; bill glossy black; legs and nails dark brown.] Not to be distinguished from Zebu examples. 57. DICEUM XANTHOPYGIUM. (Plate LXXIII. fig. 1.) Dicceum xanthopygium, Tweeddale, Ann. & M . N. H. ser. iv. vol. xx. p. 96 (1877). d. Above, cheeks and wing-coverts dark bluish slate-grey. An isolated dorsal patch crimson. Uropygium yellow. Chin, throat, and upper part of breast yellow. Remainder of breast, abdomen, and flanks orange. Ventral region, thigh-coverts, and under tail-coverts yellow tinged with green. Rectrices and quills dark brown ; the primaries narrowly margined with white, the secondaries with olive-green. Wing 1*96 inch, tail 1*06, tarsus 0*50, culmen 0*38. [Monte Alban. d- iris dark brown ; legs dark greyish-brown; bill black.] This is a second Philippine representative form of D. trigonostigma, and, as an example of progress in the variation of a species, is interesting. It, together with D. dorsale, Sharpe, and the Malayan species form a small subgroup, the Luzon bird being hardly distinguishable from D. trigonostigma, as seen from above, and from the Panay species when seen from below. Is the Negros habitat of D. trigonostigma of Mr. Sharpe's list (t. c. p. 352. no. 171) reliable? 58. MYZANTHE PYGMCEA (121). [Monte Alban. a, d' iris dark brown ; bill and legs black, b, d-testes greatly enlarged.] 59. ARACHNECHTHRA JUGULARIS (123). [Monte Alban. d • iris light brown ; bill, legs, and nails jet-black.] 60. CORVUS PHILIPPINUS (125). [San Mateo, a, d * iris dark brown ; bill and legs black, b, 2 '• iris pale wood-brown ; bill, legs, and claws black.] Three of the four examples sent by Mr. Everett have the wing an inch and a quarter to a half shorter than that of the fourth individual. This last is in full glossy purple-black plumage, while the three with short wings are in a state of transition from brownish unglossed black to purple-black. They belong to C. brevipennis, Schlegel. 61. ACRIDOTHERES CRISTATELLUS (126). [Monte Alban. a, d * iris yellow ; bill pale yellowish ; legs dark brownish ochre-yellow ; nails black. San Mateo, b, d: iris golden yellow; bill yellow-white; legs |