TABLE OF CONTENTS. 



Page. 



Introduction 1 



Characteristics and limitations 2 



Geographical distribution 4 



Dimorphism in length of tegmina 5 



Materials, etc 7 



Table of the genera of North American Melanopl t 9 



Genus 1. Gynmosdrtetes 14 



Genus 2. Netrosoma 16 



Genus 3. Parad ichroplus 18 



Genus 4. Phaedrotettix 22 



Genus 5. Conalcaea 23 



Genus 6. Barytettix ' 27 



Genus 7. Phaulotettix 29 



Genus 8. Cephalotettix : 30 



Genus 9. Ehabdotettix 32 



Grnus '0. Cyclocercus r 36 



Genus 11. Sinaloa 40 



Genus 12. Paraidemona 41 



Genus 13. Aidemona 44 



Genus 14. Hypochlora . 46 



Genus 15. Campy lacautha 48 



Genus 16. Eotettix 53 



Genus 17. Hesperotettix 55 



Genus 18. Aeoloplus 68 



Genus 19. Bradynotes 80 



Genus 20. Deudrotettix 91 



Genus 21. Podisma 94 



The North American species 97 



The Old World species Ill 



Genus 22. Paratylotropidia '. 117 



( Jenus 23. Melanoplua 120 



Lakinus series 139 



Flabellifer series 144 



Bowditchi series 153 



Glaucipes series 161 



Utahensis series 164 



Spretns series 169 



Devastator series 190 



Impudicus series 203 



Aridus series 205 



Indigens series 210 



Mancus series 212 



Dawsoui series , 220 



HI 



