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Volume X

Mosses and Lichens

By Nina L. Marshall, is an invaluable aid to all who are interested in fungi as food or as a limitless subject of study. 24 color plates and 40 black-and-white from photographs by Mr. and Miss Anderson.

Volume XI

The Tree Book

By Julia E. Rogers, has many features that no other work on trees approaches. It tells how to know the trees; the uses and value of trees; the care of trees; how to grow trees; the preservation of forests. The 350 beautiful photographic illustrations, by A. R. Dugmore, show bud, blossoms, full leaf, fruit, and the wood of all the important species, and there are 16 plates in color.

Volume XII

The Frog Book

Is a most fascinating work by Mary C. Dickerson, and contains a wealth of original observation and pioneer work on frogs and toads that is a real contribution to science. Sixteen plates in color and nearly 300 black-and-white photographs from life by the author.

OUR NATIVE TREES

HARRIET L. KEELER, 1900, Charles Scribner's Sons, New York City. Price, $2.00

GEOLOGICAL STORY BRIEFLY TOLD

JAMES D. DANA, American Book Co., New York City. Price, $1.15

PRIMER OF GEOLOGY

ARCHIBALD GEIKIE, American Book Co., New York City. Price, 35c.

ASTRONOMY WITH AN OPERA GLASS

GARRETT P. SERVISS, D. Appleton 6- Co., New York City. Price, $1.50

SPALDING'S OFFICIAL ATHLETIC ALMANAC

Edited by J. E. SULLIVAN, American Sports Publishing Co., New York City. Price, 10c.