BLACK-NECKED GREBE. 
205 
with white on the inner webs, secondaries cnUrcly white, 
except the innermost, which arc like the back ; tail black , 
Tead and neck black, the crown having a frill composed of 
elongated feathers; the ear coverts chestnut and composed of 
elongated plumes, which are surmounted by a superciliary tuft 
of similar e\ongated feathers of a golden straw-colour this tuft 
from the eye; cheeks and entire throat black, 
remSer of under surface, from the fore-neck downwards, 
silvery white; the sides of the body slightly mottled with 
blackish markings, and having also chestnut-tipped feathers, 
Sive'Jr.”.'! r crimson ”*(&«»). 
Totanength,^i2-o inches ; culmen, 0-95 ; wing, 5 o , tail, i 35 , 
' Adult Female.— Similar to the male. Total length, 1 1 inches ; 
Plumage.-Blackish above, with slightly greyer edges 
to The feathers ; head and neck blackish, as well as the lores and 
feathers below and behind the eye; sides of face, ear-coverts, 
and under surface of body silky white, the sides of the body 
mottled with ashy-blackish ends to the feathers ; sides of upper 
Tek whUe; sidelof lower neck dusky-brown meeting across 
the fore-neck and forming a collar; wings dark brown, the 
secondaries white, with the exception of the 
are white only on the inner ryeb, the last ones being like the 
back ; the inner primaries white along the inner web. 
Characters.— In breeding plumage the Black-necked Grebe is 
distinouished by the black fore-neck and chest, which resemble 
the throat, though sometimes the chest shows a little rufous, 
but never anything like the entirely chestnut chest of D. aurth^s. 
The tuft of crest-feathers behind the eye is darker chestnut 
and more hairy in texture. In winter plumage the up-turned 
shape of the bill and the white on the iniier pnmanes dis^ 
tinguish P. nigricollis, and the same characters may be 
employed for the determination of immatuic bir s. 
Range in Great Britain.-The present . is a bird ot 
Southern Europe, and occurs more frequently in spring 
