The Dragon-fly (Libellula depressa).
    a. Perfect Insect.        b. Perfect Insect emerging from the Pupa.        c. d. Larvæ and Pupæ.  
THE
INSECT WORLD:
BEING
A Popular Account of the Orders of Insects;
TOGETHER WITH
A DESCRIPTION OF THE HABITS AND ECONOMY OF
SOME OF THE MOST INTERESTING SPECIES.
BY
LOUIS FIGUIER.
A New Edition,
REVISED AND CORRECTED BY P. MARTIN DUNCAN, F.R.S.
————— 
WITH 579 ILLUSTRATIONS.
————— 
D. APPLETON AND CO.,
NEW YORK.
PREFACE.
Thispopular French book on Insects has been placed in my hands inorder that the scientific portions of it should be examined and, ifnecessary, corrected. This task has been a light one, for the book hadalready passed through the able editorship of Mr. Jansen. But I haveadded a short notice of the Thysanoptera, which did not appear in M.Figuier's original work, and also the necessary information respectingthe evolution of Stylops.
P. MARTIN DUNCAN.
Lee, 1872.