XII. INSECTA 
ARRANGED BY 
1). SHARP 
CONTENTS 
PAGE 
I. Titles . . . . . . . . . , . . . . - . 8 
II. Subject Index : — 
General = 3503-4803 
.. 136 
Historical 
.. 136 
Biographical 
.. 136 
Bibliographical 
.. 136 
Collections, Museums 
. . 137 
Nomenclature 
. . 137 
Technique, collecting 
.. 137 
Economic entomology : — 
General 
.. 137 
Reports. . 
.. 138 
Objects attacked 
.. 138 
Creatures attacking . . 
.. 139 
Insects and man, human disease 
Insects and other animals 
.. 141 
. . 142 
Useful parasites and predaceous 
. . 143 
Bee culture 
. . 143 
Silk 
. . 143 
Structure : Morphology =3507-4807 
General 
.. 143 
Of outer parts 
. . 144 
Nervous system, sense organs 
. . 145 
Alimentary canal 
. . 145 
Circulatory organs (vacant) 
Respiratory organs 
. . 145 
Glands and cells . . . . 
. . 145 
Reproductive organs .. 
145 
Structure of eggs, spermatophores 
.. 146 
-10189 j) 
c 5 
