698 the marquis of tweeddale on [nov. 6, 



56. Dictum rubriventer. 



Pipra papuensis, Gm. S. N. i. p. 1004. no. 21 (1/88). 



DiccEum rubriventer. Lesson, Tr. p. 303 (1831). 



DiccBum retrocinetum, Gould, B. As. xxvii. t. — , inf. ; Walden, t. c. 

 no. 120. partim ; conf. Salvador!, Ann. Mus. Civ. Genoa, viii. p. 509. 



[^lonte Alban. S • iris bright brown ; bill glossy black ; legs 

 and nails dark brown.] 



Not to be distinguished from Zebu examples. 



.57. Dictum xanthopygium. (Plate LXXIII. fig. 1.) 



Biccemn xanthopygium, Tweeddale, Ann. & M. N. H. ser. iv. vol. 

 XX. p. 96 (1877). 



S . 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. S'- iris dark brown ; legs dark greyish-brown; 

 bill black.] 



This is a second Philippine representative form of D. triyonostigma, 

 and, as an example of progress in the variation of a species, is interest- 

 ing. It, together with D. dorsals, 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 0. trigonostigma 

 of Mr. Sharpe's list {t. c. p. 352. no. 171) reliable? 



58. Myzanthe pygmjea (121). 



[Monte Alban. a, S: iris dark brown ; bill and legs black, b, (J: 

 testes greatly enlarged.] 



59. Arachnechthra jugularis (123). 



[Monte Alban. c? : ins hght brown ; bill, legs, and nails jet-black.] 



60. CORVUS PHILIPPINU9 (125). 



[San Mateo, a, d' : iris dark brown ; bill and legs black, b, $ : 

 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, S ■ iris yellow ; bill pale yellowish ; legs dark 

 brownish ochre-yellow ; nails black. 



San Mateo, b, ^ : iris golden yellow ; bill yellow-white ; legs 



