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Sul)-faniily 1 — Teti^oniinae. 

 2 — lassinae. 

 3 — Agalliinae. 

 4 — Pcnthimiiiiae. 

 5 — Eupteryginae. 

 (y — Ledrinae. 

 7 — Stenocotinae. 

 8 — Kahavaluinae. 

 (9 — Meg'ophthalminac ( ?).) 



Family 2-MEMBRACIDAE. 

 3- CERCOPIDAE. 



Super-family 7,—FULGOROlDEA. 



Family J-FULGORIDAE. 



Sub-family i- — Cixiinac. 



2— Dictyophorinae. 

 3 — Fulgorinae. 



Fami/y 2— ASIRACIDAE (^subfam, Delphacida Stal.) 

 3— ACHILIDAE. 



4— EUTROPISTIDAE (=Tropiduchida Stal.) 

 5— DERBIDAE. 

 6-LOPHOPIDAE. 

 7-ISSIDAE. 



Sul)-family i — Issinac. 



2 — Eurybrachyinae. 

 3 — Tetigometrinac. 



Family 8— POEKILLOPTERIDAE. 



Sub- family i — Ricaniinae. 



2 — Poekillopterinae. (^Flatida Stal.) 

 3 — Ampliiscepinae (=:Acanaloniida Stal.) 

 ( Families 3-6 are probably conventional, as will l)e discussed 

 later.) 



Group 2—STERNORHYNCHI Am. & Serv. 



Su]ier-fann-]v i^CHERMOIDEA. 

 2—APEIOIDEA. 

 S—ALEYRODOIDEA. 

 ■ 4—COCCOIDEA. 



The principal points that (largely following Hansen and op- 

 posing Osborn, Van Duzee and others) I wish to insist npon 

 very firmly, are : 



I. The low estate of the Cicadoidea as a lAiolc. 



