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MAP-MAKING IN ALL ITS BRANCHES, UNDER THE SUPERVISION OF OUR GEOGRAPHICAL EDITOR.

SCIENCE.
AN ILLUSTRATED WEEKLY JOURNAL
Subscriptions--In United States and Canada, $3.50 a year.
In Great Britain and Europe. $4.00 a year.
FIFTH YEAR.
THE SWISS CROSS.
A MONTHLY MAGAZINE OF THE AGASSIZ ASSOCIATION.
Subscriptions-In United States and Canada, $1.50 a year.
In Great Britain and Europe, $1.75 a year.

SCIENCE AND THE SWISS CROSS, $4.50 A YEAR.

N. D. C. HODGES, Publisher,
47 LAFAYETTE PLACE.
New York, February 9 1888

Professor C. E. Bessey

Lincoln

Nebraska

Dear Sir,

I send you herewith proof of your geological map of Nebraska before making plat. If you have any corrections or alterations to make, please, mark them on the proof.

Very truly yours

Dr. F. Boas