CHICAGO * * * * * Zooelogy and Natural History Burnet's School Zooelogy By MARGARETTA BURNET.

Cloth, 12mo, 216 pages 75 cents A new text-book for high schools and academies, by a practical teacher; sufficiently elementary for beginners and full enough for the usual course in Natural History.
Needham's Elementary Lessons in Zooelogy By JAMES G.NEEDHAM, M.S.Cloth, 12mo, 302 pages 90 cents An elementary text-book for high schools, academies, normal schools and preparatory college classes.

Special attention is given to the study by scientific methods, laboratory practice, microscopic study and practical zooetomy.
Cooper's Animal Life By SARAH COOPER.

Cloth, 12mo, 427 pages $1.25 An attractive book for young people.

Admirably adapted for supplementary readings in Natural History.
Holders' Elementary Zooelogy By C.F.HOLDER, and J.B.HOLDER, M.D.
Cloth, 12mo, 401 pages $1.20 A text-book for high school classes and other schools of secondary grade.
Hooker's Natural History By WORTHINGTON HOOKER, M.D.Cloth, 12mo, 394 pages 90 cents Designed either for the use of schools or for the general reader.
Morse's First Book in Zooelogy By EDWARD S.MORSE, Ph.D.Boards, 12mo, 204 pages 87 cents For the first study of animal life.