﻿TABLE OF CONTENTS. 



PREFACE HE 



NOXIOUS INSECTS. 



The Colorado Potato-beetle 1 



It reaches the Atlantic— Injuries during the Year— Alarm about it Abroad— Is it Poison- 

 ous?— The Use of Paris Green and its Influence on the Plant, on the Soil and on Man— 

 The Beetle eats as well as the Larva — It ])asses the Winter in the Beetle State — New 

 Food-plants— New Me:ins of Destruction— The i)roper scientific Name of the Beetle. 



The Chinch Bug UJi 



Appearance and Transformations of the Chinch Bug— Descriptive— Fast History of the 

 Chinch Bug— Its past History in Missouri— Destructive Powers of the Chinch Bug- 

 Its Injuries in 1874- Its Injuries in Missouri in 1874 — Its Food-plants— Mode of Repro- 

 duction and Hibernation— AVhere the Eggs are laid— Flight of the Chinch Bug— Its 

 Migi-ation on Foot— Heavy Rains destructive to the Chinch Bug— Direct Remedies- 

 Preventive Measures ; as invigorating tlie Plant by Manure; earlj' sowing; preventing 

 the Migration of the Bugs from one Field to another; abstaining from the cultivation 

 of the Grains upon which it feeds— Importance of Winter Work — Katnral Enemies — 

 Possible remedial and preventive Measures that need further Trial— Injurious to Stock 

 — Prognosticating — Unnecessary Fears — Bogus Chinch Bugs— Recapitulation— .-l/i^jen- 

 di.r, giving absti'acts of the Experience of Correspondents from all parts of the State. 



The Flat-headed Apple-tree Borke 71l 



Its Natural History— Natural Enemies— Remedies. 



Canker-worms 80' 



Showing how two distinct Species have been confounded; how we have a Spring and a Fall 

 Canker- wonii— Their Differences fully set forth in all Stages— Comparative Descrip- 

 tions of the Two— Practical Considerations growing out of the Difl'eiences in Habit- 

 Extracts from the original Essay on the Canker- woi-m by Wm. Dandridge Peck, 

 published in 1795. 



The Grape Phylloxera yO' 



Completion of its Natural History— Different Forms presented by the Species— Specific Iden- 

 tity of the Root-inhabitating and Leaf-inhabiting Types— Where do the winged Fe- 

 males lay their Eggs?— The sexual Individuals— Injury done during the Year in 

 America — Range of the Insect in America— Injurj' during the Year in France— Spread 

 in Europe— Direct Remedies — Natural Enemies— Susceptibility of difl'erent V'arietie.s — 

 Grafting as a Means of counteracting the Work of Phylloxera; Roots to use as Stock; 

 Varieties to graft— American Grape-vines Abroad — Appendix, giving a Synopsis of 

 American Species of the Genus Phylloxera, and the Natural History and Diagnosi.-- 

 of the American Oak Phylloxera. 



