248 ORNAMENTAL WATERFOWL. 
grey, smooth, glossy” (Seebohm); ‘“ white” (Wilson). April— 
June. 
Nest Down.—“ Pale brownish-grey, obscure pale tips 
and centres ” (Seebohm), 
Of the other mergansers enumerated, JZ. Sguamatus from 
China, MZ. Americanus from N. America, MZ. Comatus from 
Central Asia, Mf. Australis (known by a few skins only), 
from the Auckland Islands, have not been imported alive. 
These are fully described by Salvadori in his ‘‘ Catalogue 
of Birds,” together with those other species, to which (not 
coming within the scope of this Manual) I have only referred 
shortly. 
