480 SKETCHES OF EUROPEAN ORNITHOLOGY. 
in August; the young, in September. In genial springs, we have 
been accustomed to hear the welcome voice of the male about April 
18th. Fig. an adult, and young bird. 
Pirate XIII. Nightingale——Philomela luscinia,—le Rossignol, 
Fr.,—il Russignuolo, J¢.—die Nachtegal, G.,—Nachtegael, D.— 
See Mr. Blyth’s Papers, in Nos. 15, and 16, of The Analyst. Fig. 
one male, rather too highly coloured. 
Pirate XIV. Great Egret,—Ardea alba,—le Héron Aigrette, ou 
blanc, F’r.,—la Garza bianca, J¢.,—der weisse Silberreiher, G.,—de 
witte Reiger, D. A beautiful specimen, common in southern and 
eastern, rare in central and north Europe. The long, hair-like fea- 
thers, which spring from the back, and are susceptible of erection 
and depression at will, appear in Spring, and are lost in Autumn. 
Food, and habits, like those of A. cinerea. Nest: arboreal. Eggs: 
4—6, bluish-white. Fig. an adult male. Temminck has confounded 
this bird with A. Hgretta, a distinct American species. 
Prate XV. Common Creeper,—Certhia familiaris,—le Grim- 
pereau, F’r.,—il Picchio passerino, J¢..—der gemeine Baumlaufer, 
G.,—gemeen of europisch Boomkruipertje, D. The only European 
species of the genus; permanently resident in Britain. An expert 
tree-climber : cry, resembling that of Regulus auricapillus. Insec- 
tivorous. West: of grass and mosses, in holes of trees. Eggs: 
7—9, white, speckled with reddish-brown. ig. an adult. 
Piate XVI.—Bewick’s Swan,—Cygnus Bewickii,—le Cygne de 
Bewick, Fr. This newly-discovered species of wild swan differs 
from the Hooper in its smaller size, and the colouring of the beak, 
which is black at point, and orange-yellow at base, in male bird, and 
lemon-yellow in female. For the distinguishing characters of inter- 
nal structure, we must refer to Yarrell’s paper in Linnwan Transac- 
tions. Food: like that of congener. Nest: of moss-peat ; 6 feet 
long, 4? wide, 2 deep, and 14 in diameter of cavity. Eggs: brown- 
ish-white, clouded with a darker tint. /%g. an adult male. 
Pirate XVII. Wood-Lark,—Alauda arborea,—l Alouette lulu, 
Fr.,—la Lodola degli alberi, Zt.,—die Baum- oder Waldlerche, G., 
—Boomleeurik, D. Migratory to and from Britain, April—Octo- 
ber. Food: Insects, oily seeds. Nest: terrestrial ; beneath herba- 
ceous tuft or shrub. Eggs: 4—5, grey, spotted with brown . Fig. 
an adult male. 
Pirate XVIII. Scaup Pochard,—Fuligula—olim Anas—marila, 
—le Canard milouinan, F'.,—die Berg-Ente, G.,—Berg-eend, Top- 
per of Velt Duiker, D. Native residence, and scene of nidification, 
