used in the measurement of earthquakes.
It is fully illustrated.

BLANCHAN, NELTJE (Pseudonym of Mrs. N.B. (DEG.) Doubleday).
Birds That Hunt and Are Hunted.
Doubleday. 2.00

Illustrated with full-page color plates. Non-technical. Birds
grouped according to size and color; no specific color key.
Rather full biographies. There are chapters giving the
characteristics of the families, the habitats, and the seasons of
occurrence.
AUDUBON SOCIETY.

One hundred and seventy birds of prey, game birds, and water-fowls,
are described. The color plates are forty-eight in number.

DICKERSON, M.C.
The Frog Book.
Doubleday. 4.00

"The original manuscript for this book concerned Toads and (p. 186)
Frogs of Northeastern North America only.... Brief accounts
of the species of other parts of North America were added later."

There are sixteen pages of color plates and nearly three hundred
half-tones from photographs from life by the author. The wonderful
transformation of the tadpole is fully described.

GOOD, ARTHUR.
Magical Experiments.
McKay. 1.25

Some of the wonders here described are intended merely for amusement,
others are of a scientific character and designed to act as an
introduction to the study of Physics. No apparatus is needed beyond
the simple articles, such as knives, forks, and plates, which every
household possesses. The book is instructive and entertaining alike to
experimenter and observer.

HEILPRIN, ANGELO.
The Animal Life of Our Sea-shore.
Lippincott. 1.25

An authoritative manual, prepared with special reference to the New
Jersey coast and the Southern shore of Long Island. It is fully
illustrated.

HOWARD, L.O.
The Insect Book.
Doubleday. 3.00

Dr. Howard, Chief of the Division of Entomology, United States
Department of Agriculture, and the foremost authority in this (p. 187)
country, gives us full life-histories of the bees, wasps, ants,
grasshoppers, flies, and other North American insects--exclusive of
the butterflies, moths, and beetles. A separate section is devoted to
the subject of collecting and preserving the different specimens.
There are sixteen pages of color plates, thirty-two pages of
half-tones, and about three hundred black and whi