IV TABLE OF CONTENTS. 



CHAPTER IV. 



Page. 



Lkcanin^ — The Naked or Waxy Scaxes 48 



General characters and lifo-history of the sabfamily ;— the Turtle-back 

 Scale ; — Broad Scale, 48 — growth ; — habits, 49 — broods ; — honey-dew and 

 ants ; — parasites, 50 — the Black Scale of California, 53 — the Hemispherical 

 Scale, 55 — the Wax Scale, 56 — the Barnacle Scale, 59 — extent of injuries 

 and relative importance of the species, Gl — smut, 62. 



CHAPTER V. 

 CocciN^ — The Mealy-bugs 63 



Characteristics of the subfamily ; — food plants, 63 — the Destructive Mealy- 

 bug, 64 — the Cottony Cushion Scale, 66. 



CHAPTER VI. 



Insects Preying upo>f Bark-lice 69 



Enumeration of external enemies ; — work of Mites, 69 — internal parasites ; — 

 ants as friends and enemies, 70— Lady-birds, 71 — parasites of the Lady- 

 birds, 74 — the Scale-eating Epitragus, 75 — the Scale-eating Dakruma, 76 — 

 the Pale Dakruma ; — the Scale-eating Tineid, 77 — the Spider-legged Sol- 

 dier-bug, 78 — hemipterous enemies of the Mealy-bug, 79 — Lace-wings, 

 80— predatory Mites, 81 — Glover's Mite, 82 — the Hairy Mite ; — the Spear- 

 head Mite; — the Spotted Mite, 83 — Mites preying on Mealy-bug, 84 — Long- 

 bodied Mite ; — the Orbicular Mite, 85. 



CHAPTER VII. 



SIeans of Defense against Scale-insects— Remedies 86 



Introduction of Scale-insects upon imported plants, 86 — infection from 

 nursery stock, 87— j)rotectiou afforded by hedges and trees, 83 — plants 

 available for hedges ; — benefits of inside pruning and cleanliness, 89 — 

 scrubbing the trunks ; — palmetto brushes, 90 — ineffectual popular reme- 

 dies ; — fumes of sulphur fatal to the plant ; — impossibility of introducing 

 insecticides into the sap through the roots, 91 — or by inoculation ; — light- 

 ing Scale wit h fertilizers ; — effective remedies ; — kerosene ; —milk and kero- 

 sene emulsion, 92 — soap and kerosene emulsion ; — unrefined kerosene in- 

 jurious ; — effect of kerosene upon the Orange, 94 — applications best made in 

 spring; — whale-oil soap, 95 — potash and soda lyes, 96 — carbolic acid, 97 — 

 sulphurated lime, 98— bisulphide of carbon ; — sulphuric acid ; — sulphate of 

 iron ; — ammonia ; — silicate of soda, 99 — various common remedies of little 

 value;— the application of remedies ; — fineness and force of spray ; — cy- 

 clone nozzle, 100 — complete outfit mounted on a cart; — necessity of re- 

 peated applications, 101 — proper seasons for applying remedies, 102. 



PART II.— MISCELLANEOUS INSECTS AFFECTING THE 



ORANGE. 



CHAPTER VIII. 

 Rust of the Orange 105 



Nature of rust;— discoloration of the fruit ;— not produced by a fungus, 

 105 — origin of rust ; — reasons for considering it the work of a Mite ; — the 

 Mite on the leaves; — first appearance on the fruit, 106 — attacks of the 

 Mite always followed by rust ; — development of rust subsequent to the 

 departure of the Mites ; — description of the Rust-mite, 107— growth from 

 the egg to the adult, 108— food, habits, and numerical abundance, 109 — 



