Notwithstanding the expensiveness of the illustrations, it is expected that the price of the book, to original subscribers, will be about ten (certainly not exceeding twelve) dollars.

Provided there be enough support, Messrs. Dawson & Brailsford, Printers and Publishers, Sheffield, England, have offered to undertake the publication of this work. Mr Campbell has every reason to believe that the needed number will be secured if applicants thoughtfully send their names, as early as possible, to his agent,

MR. E. A. PETHERICK, F.L.S.
85 Hopton Road, StreathamLONDON, S. W.

The Plant World

Edited by F. H. KNOWLTON, Ph.D.

Is an illustrated monthly botanical journal that is maintained for those who love the wild flowers, but find the text-books either difficult to understand or too dry when mastered. It aims to view the plant as a living thing. Its pages are full of the knowledge gained by a study of the plants in the fields and woods, written in simple and attractive language, which is

Strictly Scientific, but not Technical.

Among forthcoming articles may be mentioned several on making an herbarium; on teaching the various branches of botany in the public schools; on the families of flowering plants; on the study and identification of our common liverworts, and many others. A free sample copy may be had by addressing the publishers.

SUBSCRIPTION PRICE, $1 PER ANNUM.

Willard N. Clute & Co.
PublishersBINGHAMTON, NEW YORK