The Illustrations consist of Thirty-four Etchings on Steel by Thomas Landseer, Four Plates representing the different Races of Men, a Medallion Portrait of the Author, and many hundred Illustrations on Wood. Price One Guinea, cloth lettered; or One Guinea and a Half, with the plates coloured.

HUMPHREYS AND WESTWOOD’S ENTOMOLOGY.

BRITISH MOTHS AND THEIR TRANSFORMATIONS:

Arranged and Illustrated in a series of One Hundred and Twenty-four Plates, representing upwards of 1500 species, with the Caterpillars drawn and carefully coloured after Nature, by H. Noel Humphreys, Esq., with characters and descriptions by J. O. Westwood, Esq., F.L.S. Two vols., 4to. Price £4 4s., cloth lettered.

BRITISH BUTTERFLIES AND THEIR TRANSFORMATIONS:

Arranged and Illustrated in a Series of Forty-two Plates, representing about 360 species; coloured after Nature by H. N. Humphreys, Esq., with characters and descriptions by J. O. Westwood, Esq., F.L.S. In one vol., 4to. Price £1 11s. 6d., cloth lettered.

BECHSTEIN’S CHAMBER BIRDS:

Their Natural History, Habits, Food, Diseases, Breeding, and Methods of Catching them, with numerous Woodcuts of Birds, their Cages, etc. A new Edition, in the Press.

Natural Science.

ORR’S CIRCLE OF THE SCIENCES;