CONTENTS. 



PAGE 



INTRODUCTION . 1 



SUB-ORDER I. FORFICULODEA 7 



GENUS 1. ANISOLABIS . . 15 



2. LABIDURA . 20 



3. LABIA . . 28 



4. PROLABIA . 35 



5. FORFICULA . . 39 



6. APTERYGIDA . . 58 

 SUB-ORDER II. BLATTODEA. . 62 



GENUS 1. ECTOBIUS . 73 



2. BLATTELLA . . 85 



3. BLATTA ... 93 



4. PERIPLANETA . 100 



5. LEUCOPH^A . . Ill 

 SUB-ORDER III. GRYLLODEA . 118 



GENUS 1. GRYLLOTALPA . 121 



2. NEMOBIUS . 130 



3. GRYLLUS . . 134 



SYSTEMATIC INDEX 



PAGE 



SUB-ORDER IV. LOCUSTODEA . 146 



GENUS 1. PHOLIDOPTERA . 151 



2. METRIOPTERA 157 



3. TETTIGONIA . . 171 



4. PHASGONURA . 176 



5. CONOCEPHALUS . 184 



6. MECONEMA . . 189 



7. LEPTOPHYES . . 193 

 SUB-ORDER Y. ACRIDIODEA . 200 



GENUS 1. TETRIX . . . 206 



2. GOMPHOCERUS . 217 



3. MECOSTETHUS 225 



4. STENOBOTHRUS . 230 



5. OMOCESTUS . . 234 



6. STAURODERUS . 242 



7. CHORTHIPPUS . 248 

 ORTHOPTERA OF THE CHANNEL 



ISLANDS . ... 257 



259 



31294 



