The Raven lays five or six eggs of a gray-green ground colour, spotted and blotched with a darker greenish or smoky brown. She builds her nest in high, inaccessible rocks and cliffs, either on the sea-shore or inland, and it is sometimes found on the tops of lofty trees. It is composed of sticks of various sizes and kinds, wool, and hair. THE LINNET. This little bird lays from four to six eggs of a whitish faint blue tinge, speckled with purple-red, and her nest is composed of moss, bent fibrous roots, and wool, lined inside with hair and feathers. She builds in whitethorn, blackthorn, and furze-bushes; very rarely in trees. THE ROOK. The Rook lays four or five eggs of a pale green colour, spotted and blotched with greenish or smoky brown. She makes her nest of sticks, straw, hay, &c., and is rather particular about it, pulling it to pieces and rebuilding it several times. Tall trees are usually selected, generally near to some mansion or village, where the rooks form a colony. This bird lays very early, and has been known to commence sitting even in November. THE COMMON WREN. This little bird lays four to eight eggs of a yellowish-white tinge, spotted at the larger end with a kind of brownish-red. It builds several supplementary nests, which are simply made of moss and lichen; this is attributed to the male bird by some naturalists; but however this may be, as a rule two of these nests will be found to one of the others lined with feathers, which is intended for incubation. The nest is built in old barns, on the sides of cliffs, and in the roots of trees growing from high banks; it is dome-shaped, and has a very small entrance. THE JAY. The Jay lays five or six eggs of a pale greenish-blue, sometimes yellowish-white, thickly spotted with minute brown spots, generally confluent on the larger end, where there are several irregular black lines. She builds her nest in the thickest parts of woods, where it may be well out of sight. It is composed of sticks, small twigs, small fibrous roots, and grass. [Illustration: EGGS. 1. Jay. 2. Sparrow. 3. Jackdaw. 4. Grouse. 5. Kestrel. 6. Robin. 7. Redpoll. 8. Ringdove. 9. Wryneck. ] THE HOUSE SPARROW. This familiar little bird builds her nest in the walls of old stone houses, at the back of spouting, and amongst ivy. It is particularly fond of ejecting the Martin from her carefully-built home, and has been even known to turn out the eggs of this little harmless bird. She lays five or six eggs, of a dirty white, covered with black or dark brown spots. THE JACKDAW. The Jackdaw builds her nest in towers of churches, the ruins of old castles and abbeys, rocks, hollow trees, and chalk pits. It is made of sticks, straw, and hay, with an inner lining of large feathers, hair, and wool. The eggs, numbering from three to six, are a pale green-blue, spotted with dingy brown; the spots are confluent at the larger or thicker end. THE COMMON GROUSE.