(271) Stachyris nigriceps coltarti.
THE ASSAM BLACK-THROATED BABBLER.
Stachyris nigriceps coltarti Harington, Bull. B. O. C., xxxiii, p. 61 (1913) (Margherita).
Vernacular names. Dao-riaphong (Cachari).
Description. Differs from S. n. nigriceps in having no white edges to the feathers of the chin and throat.
Colours of soft parts and Measurements as in that bird.
Distribution. Assam south of the Brahmaputra, Western Burma and Bhamo Hills, South to Tenasserim but not including that state. Birds from the Southern Shan States are intermediate between this and the next form but nearer the latter.
Nidification and Habits as in the Sikkim bird but keeping to lower levels. It is more common below 3,000 feet than above this height. Two hundred eggs average 19.1 x 14.7 mm.