

THE 



ENTOMOLOGIST'S TEXT BOOK; 



AN INTRODUCTION 



THE NATURAL HISTORY, STRUCTURE, PHYSIOLOGY 

 AND CLASSIFICATION 



Justrts, 



INCLUDING THE CRUSTACEA AND ARACHNIDA. 



^ 



BY J. 0. WESTWOOD, F.L.S., 



SECRETARY TO THE KNTOMOLOGIC AL SOCIBTT OF LONDON, HON. MEM. SOC. NAT. 

 QrKBKC, MOSCOW, LDND, LILLE, MAURITIUS, KNT. SOC. PARIS, ETC. 



LONDON: 



WM. S. ORR AND CO., AMEN CORNER, 



PATERNOSTER ROW, 



MDCCCXXXVm 



