COLOURED ILLUSTRATIONS OF THE EGGS OF BIRDS. By Mr. Hewitson. Third Edition. 2 vols. £4 14s. 6d.

REPTILES. By Professor Bell. Second Edition. 2s.

FISHES. By Mr. Yarrell. Third Edition. Edited by Sir John Richardson. Two vols. £3 3s.

STALK-EYED CRUSTACEA. By Professor Bell. 8vo. £1 5s.

SESSILE-EYED CRUSTACEA. By Mr. Spence Bate and Professor Westwood. Two vols. 8vo. £3.

STAR-FISHES. By Professor Edward Forbes. 15s.

HYDROID ZOOPHYTES. By the Rev. Thomas Hincks, B.A. Two vols. 8vo. £2 2s.

ZOOPHYTES. By Dr. Johnston. Second Edition. 2 vols. £2 2s.

MOLLUSCOUS ANIMALS AND THEIR SHELLS. By Professor Edward Forbes and Mr. Hanley. Four vols. 8vo, £6 10s.; royal 8vo, coloured, £13.

FOREST TREES. By Mr. Selby. £1 8s.