CONTENTS. 
PREFACE .. 
Cuapter I—INTRODUCTORY REMARKS. 
General observations on the study of wasps 
Early notices of wasps re 
Confusion from imperfect distinetion of ‘pcan ss 
Modern literature of the subject 
Wasps’ nests, how to take and preserve 
Wasps’ stings, how to treat.. 
Wasps, how to set and preserve .. 5 sie 
Method of dissecting insects ee * 
General considerations on their anatomy .. 
Analogies of insect structure and life 
Uses of wasps and insects generally 
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CuaptTer II.—CLASSIFICATION AND DISTINCTION OF 
THE SPECIES. 
Hymenoptera, general characters and divisions of 
Wasps, how distinguished from other allied insects 
Divided into Sonrrary and Socran 
SoLITARY group, represented in Britain by Odyneri: 
Their general structure .. , a es ve 
Form and arrangement of their cain ee 
Habits 
SocraL group, represented in Britain by Vespe : 
Their general characters. . o. es 
Lesser varieties of form, size, and colour ie ad 
Specific distinctions, where to be looked for 
Distinctive characters of : 
V. Crabro, Plate I. .. és 
V. britannica,  ,, II. es ve 
