Richmond Eight New Birds from Sumatra. 189 



the head from the green mantle. Underparts, including under tail-cov 

 erts, apple green; under wing-coverts and axillaries carmine; under sur 

 face of wing and under primary coverts sooty black, a few of the outer 

 primaries with narrow yellowish edges; tail (except middle pair of 

 feathers), pale lemon yellow, with a greenish wash on outer webs and at 

 tips. "Iris pale yellow; cere dull green; feet greenish; upper mandible 

 red, lower pale fleshy brown." Length (in flesh), 216 mm.; wing, 141; 

 tail, 59; tarsus, 1C; culmen, 22. 



The black band on the hind neck is much broader on another male. 

 The female is duller in color, and has a green head. 



Thriponax parvus sp. nov. 



Type. Adult male, No. 179,160, U. S. National Museum, Simalur 

 Island (west coast of Sumatra), December 3, 1901, Dr. W. L. Abbott. 



Similar to T. javensis, but of very much smaller dimensions. 



Length, 362 mm.; wing, 1G9; tail, 124; tarsus, 28; culmen, 39 (bill 

 from gape, 42). 



A male of T.javensfa, from the Malay Peninsula, measures: length 

 (in flesh), 457 mm.; wing, 227; tail, 160; tarsus, 36; culmen, 58. 



Twelve specimens, from Simalur Island, all agreeing with the meas 

 urements given above. 



Hypothymis abbotti sp. nov. 



Type. Adult male, No. 179,426, U. S. National Museum, Pulo Babi 

 (west coast of Sumatra), January 11, 1902, 'Dr. W. L. Abbott. 



Wholly blue, without the black occipital spot and band across fore- 

 neck of H. azurea. The color is bright light cyanine blue (of Ridgway's 

 ' Nomenclature of Colors'), with a tinge of deep campanula blue on breast, 

 abdomen, and sides. Wings and tail black, with a bluish shade above; 

 under wing-coverts and axillaries, dusky gray, with bluish tips; wing 

 feathers, from below, with dusky gray edges. 



Length (in flesh), 181 mm.; wing, 76; tail, 77; tarsus, 19; culmen, 13 

 (bill from gape, 20). 



This species seems to have no near relative; H. puella from Celebes 

 being entirely different. It is strictly congeneric with H. azurea, and 

 has the ruff of feathers on the fore-neck common to species of this genus. 



Known from Pulo Babi and Pulo Lasia, on the west coast of Sumatra. 



Hypothymis consobrina sp. nov. 



Type. Adult male, No. 179,433, U. S. National Museum, Simalur 

 Island (west coast of Sumatra), December 24, 1901, Dr. W. L. Abbott. 

 This species is similar to //. tytleri, from the Andaman islands, but has 



