What has Dr.Roberts proven concerning the influence of alcohol upon digestion?
How are our bodies kept warm?
Explain how alcohol makes the body cooler?
Do Arctic explorers use alcohol?
Why not?
Does the use of alcohol prevent sunstroke?
What do Stanley and Livingstone say about the use of alcohol in Africa?
What is the effect of using alcohol upon meat and eggs?
What is the effect of alcohol upon the brain and other tissues of the body?
Does alcohol cause insanity and other diseases of the brain and nerves?
FOOTNOTES: [A] More properly _Carbonic dioxid_.
[B] For the sake of brevity and clearness the author has included under the term "little brain" the _medulla oblongata_ as well as the _cerebellum_.
THE END.
Aids to Field and Laboratory Work in Botany _Apgars' Plant Analysis._ By E.A.and A.C.

APGAR.
Cloth, small 4to, 124 pages 55 cents A book of blank schedules, adapted to Gray's Botanies, for pupils' use in writing and preserving brief systematic descriptions of the plants analyzed by them in field or class work.

Space is allowed for descriptions of about one hundred and twenty-four plants with an alphabetical index.
An analytical arrangement of botanical terms is provided, in which the words defined are illustrated by small wood cuts, which show at a glance the characteristics named in the definition.
By using the Plant Analysis, pupils will become familiar with the meaning of botanical terms, and will learn how to apply these terms in botanical descriptions.
_Apgar's Trees of the Northern United States_ Their Study, Description, and Determination.

For the use of Schools and Private Students.

By AUSTIN C.APGAR.
Cloth, 12mo, 224 pages.