The Grain of Dust.
(Per H. H.)
CONTENTS
THE ILLUSTRATIONS
The author wishes to make special acknowledgment to the following publishers for their courtesy in supplying illustrations:
The Macmillan Company for the pictures from Tarr and Martin's "College Physiography" on page [239]; Darwin's "Formation of Vegetable Mould" on page [77].
D. Appleton and Company for the pictures from Gilbert and Brigham's "Introduction to Physical Geography" on page [94]; "Picturesque America" on page [243].