Text-Books in Natural History 
Clark’s Laboratory Manual in Practical Botany. For secondary 
schools and elementary work in colleges . . . $0.96 
Gray’s How Plants Grow An elementary Text-Book with a pop¬ 
ular Flora .......... .80 
Gray’s Lessons in Botany. Revised. The elements of Botany 
for high schools, academies, etc. ...... .94 
Gray’s Field, Forest and Garden Botany. Revised. A practical 
Flora to the common plants of the United States, east of the 
iooth meridian . . . . . . . . . 1.44 
Gray’s School and Field Book of Botany. Including the “ Les¬ 
sons” and the “ Field, Forest, and Garden Botany,” making 
a complete text-book for high schools, academies, etc. . . 1 80 
Apgar’s Trees of the Northern United States. Their study, 
description, and determination . . . . . .1.00 
Apgar's Birds of the United States. A manual for the study and 
identification of all birds east of the Rocky Mountains. 
Beautifully illustrated. ....... 2.00 
Burnet’s School Zoology. For use in schools where time is 
limited and where no laboratory is provided ... .75 
Needham’s Elementary Lessons in Zoology. A text-book for the 
study of animal life and structure in schools equipped, more 
or less, with laboratory facilities ...... .90 
Dana’s Geological Story Briefly Told. A new edition of this pop¬ 
ular work for beginners . . . . . . .1.15 
Dana’s Text-Book of Geology, Fifth edition, revised and en¬ 
larged. Edited by William North Rice .... 1.40 
Dana’s Manual of Geology. Fourth revised edition. Entirely 
rewritten and revised by the author. The standard Manual 
of Geology in colleges and universities .... 5.00 
Copies of the above books will be sent prepaid to any address , on receipt 
of the price , by the Publishers : 
American Book Company 
New York ♦ Cincinnati ♦ 
(iog) 
Chicago 
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