CHAPTER 
I. 
Il. 
XVII. 
XVIII. 
XIX. 
XX. 
XXI. 
XXII. 
XXII. 
XXIV. 
XXYV. 
CONTENTS 
INTRODUCTION . ‘ : 4 ; 3 ‘ : F 3 
Tuer Parts or an InsEct’s Bopy . ‘ : ‘ * 7 
Tue INTERNAL StRucTURE oF INSECTS . F ‘ « ‘AL 
Tue Senses or INSEcts . ; . 5 r ‘ - 16 
Tue Beuavior or Insects ; ‘ . 3 : . 18 
How Insects TRANSFORM : . ; z 2 . 19 
How Insects are CLAssiFIED z : 4 : se 2d 
How Insects SPREAD : A é ‘ z ; - 40 
Insects AS CARRIERS OF DISEASE . : 2 ‘ « 42 
Tue Natura ENEMIES or INsEcTS é ‘ 4 . 45 
Farm Practice In Revation to Insect ControL . 55 
Direct Controut py Mecuanicat Means . : . 59 
INSECTICIDES — GENERAL PRINCIPLES. : . 638 
Porson InsEectTicip—Es — For Birine Insects : . 65 
Contact InsecticipEs — For Sucxine Insgcts . -. 70 
REPELLENTS 2 zi . é 4 , : : . 79 
FUMIGANTS . i ; ¢ ‘ : : ‘ - 80 
FUNGICIDES COMBINED WITH PoISONS . 2 : . 85 
Spray MacuHInery — GENERAL PRINCIPLES . ‘ . 89 
TYPES AND SIZES oF SPRAY Pumps. DustTING APpPa- 
RATUS , : : : : : i : 2 . 92 
ACCESSORIES ‘ 3 ; i 3 : A : . 100 
Insect Pests or GARDEN AND FIELD Crops : . 107 
Insect PrEsts OF ORCHARD AND SMALL FRuits . . 224 
Insect Pests of THE HovusEHOLD AND STORED Prop- 
ucTS 3 : 3 E 
Insect Pests or Domestic ANIMALS . 2 3 SEL 
xi 
