Chapter I: Front Matter

_Engraved by W. T. Fry._

_William Spence, Esq^r., F.L.S._]

_Published by Longman & C^o. London, July 1825._

AN
INTRODUCTION
TO
ENTOMOLOGY:

OR
ELEMENTS
OF THE
_NATURAL HISTORY OF INSECTS_:

WITH PLATES.

BY WILLIAM KIRBY, M.A. F.R. AND L.S.
RECTOR OF BARHAM,
AND
WILLIAM SPENCE, ESQ. F.L.S.

IN FOUR VOLUMES.
VOL. IV.

_FIFTH EDITION._

LONDON:
PRINTED FOR
LONGMAN, REES, ORME, BROWN, AND GREEN,
PATERNOSTER ROW.

1828.

PRINTED BY RICHARD TAYLOR,
RED LION COURT, FLEET STREET.

CONTENTS OF VOL. IV.

Letter. Page.

XXXVII. Internal Anatomy and Physiology of
Insects. _Sensation_ 1-33

XXXVIII. Internal Anatomy and Physiology of
Insects continued. _Respiration_ 34-80

XXXIX. Internal Anatomy and Physiology of
Insects continued. _Circulation_ 81-101

XL. Internal Anatomy and Physiology of
Insects continued. _Digestion_ 102-126

XLI. Internal Anatomy and Physiology of
Insects continued. _Secretion_ 127-151

XLII. Internal Anatomy and Physiology of
Insects continued. _Reproduction_ 152-173

XLIII. Internal Anatomy and Physiology of
Insects concluded. _Motion_ 174-203

XLIV. Diseases of Insects 204-240

XLV. Senses of Insects 241-264

XLVI. Orismology, or Explanation of Terms 265-363

XLVII. System of Insects 364-428

XLVIII. History of Entomology 429-485

XLIX. Geographical Distribution of Insects;
their Stations and Haunts; Seasons;
Times of Action and Repose 486-527

L. On Entomological Instruments; and
the best Methods of collecting,
breeding, and preserving Insects 528-559

LI. Investigation of Insects 560-573

Appendix 575-584
Authors quoted 585-602
Explanation of the Plates 603-614
Indexes 615-683

AN
INTRODUCTION
TO
ENTOMOLOGY.