TABLE OF CONTENTS. 



TKEFACE :! 



NOXIOUS INSECTS. 



NOTES OF THE YEAR 9 



The Codlixg Moth 9 



^ Best Method of using Baiiduge.s— How it atVeets Po:us— "\VluiI rioiioiiion ul Wdi-ins leave 

 the Fruit before it falls— Spread Westward. 



Thk Colorado Potato Beetle 11 



How it has afl'ected the Price of Potatoes— New Foud-iihinl^— Its Piogress Kastwanl— 

 Improved Methods of nsiuj;- Paris Green— Meehanieal Means (if ik-stroyinjr— Preparing- 

 for it in Europe . 



Tin; (JOTTOX Worm 17 



Of growing Importance to the People of Missouri— Advice to Southern Cott(ju-plaiiters— 

 Paris Green as a Remedy- Patents on the Paris Green Mixture— Ilibcrnation of the 

 Insect— Natural Enemies— Geographical Uauge— Occurs as far North as Chicago. 



The Canker Worm 2i 



Description of various new Devices for its Destmction— Birds whicli destroy it— IldW 

 two Species have hitherto Ijeen confDunded- Distinguisliiiig Traits of tliesc t\\(i 

 Species. 



INSECTS INJURIOUS TO THE ORAPE-VINE 30 



The Grape Phylloxera 30 



Introductory Eemarks—Biblidgraphical Ili.story— Character:^ ol' the Genus, and the place 

 it occupies in Classification— Biological History, showing the Existence of two difler- 

 eut Type?, and how they are specifically inter-relatoil— Consideration of the Male- 

 Practical Considerations, giving the more maniliest Eflccts of the Disease, the relative. 

 Susceptibility of diflerent Vines, preventive Measures, an Accoimt of .some natural 

 Enemies of the Louse, and direct Remedies— Eange of the Insect in America— Injury 

 which it causes lu America— AVhy it is more injurious in Europe— False Theoriys-- 

 Account of the American Oak Phylloxera— Conchision. 



Appendix to Chapter on Gi-ape Phylloxera tjG 



Diagnosis of the Species— Evidence as to the non-existence of tlic Mule I.euf-louse, as lo 

 the transient Nature of the Galls, the Number of Generations each Year, Number of 

 Molts, of the Production of Galls l>y Root-lice, and Discussion of the Eftcct of the 

 Punctiu-e— A Chapter on the (Jrape-vines of the United Stiites, with a Synopsis of the 

 diflerent Species, by Dr. Geo. Engelnv.inn— Exceptional Instances where the Euro- 

 pean Vine has succeeded in America— Eflect of grafting the more susceptible on to 

 thq Roots of the less susceptible Varieties- -Description of a Mite which preys ou 

 Phylloxera— Facts showing Etlicacy of Inundation as a Eemedj— Facts showing that 

 Injury to Graiie- vines in America is greatl\ owing to PhylloV( ra— Descriiilion of 

 Pliylloxera Rilcyi. 



