2 Frons separated from the clieeks liy a sharp mar<jin. 



Clypeus with marginal keels 3. 



Clypeus without marginal keels, or when keeled anterior legs dilated. 



Legs simple Subfamily IV. ISSINJE. 



Legs dilated or foliaceous Subf.^mii.y V. CALOSCELINiE. 



3 Head not prolonged beyond llie eyes into a di^tinct cephalic prolongation; or, if 



prolonged then the anal area not reticulated .4. 



Head prolonged beyond the eyes into a more or less distinct cephalic prolongation; 

 or, if not prolon^^ed then the anal area is reticulated. 

 Prothorax notably shortei" and narrower than the mesothorax ; elytra usually 

 transparent and much longer than the abdomen, seKlom coriaceous or 



shortened Subfamily VI. DICTIOPHARIN2E. 



Prothorax and mesothorax forming a rhomb nearly as long as liroad ; elytra 

 usually horny Subfamily VII. FULGORIN/E. 



4 Fust joint of the hind tarsi without a large movable spur at base 



Subfamily VIII. CIXIINiE. 



First joint of the hind tarsi with a large movable spur at the base 



Subfamily IX. DELPHACIN-flE. 



Frons not separated from the cheeks by a sharp margin 



Subfamily X. TETTIGOMETRINiE. 



Subfamily I. ACANONIINiE. 

 TABLE OF GENERA. 



Vertex long, thorax not covered 2. 



Vertex short, thorax covered (i. i. Acanonia, A. et S. 



2 Head conical, vertex oblong ; wings semicircular, large.. . . G. 2. Thiscia, Still. 

 Head angularly produced. 



Vertex slightly transverse ; wings outvvanlly rounded, vertex roundedly trunc- 

 ated G. 3. Philatis, Stal . 



Vertex very slightly concave ; wings toward the middle gradually rountled, from 

 thence somewhat narrow, apex truncate G. 4. Chlorochara, Stal. 



Subfamily II. FLATIN.^. 

 TABLE OF GENERA. 



Basal joint of the antennoe very small, not easily distinguishable 2. 



Basal joint of the antennse elongated. 



Basal joint shorter or as long as the second joint. 



Second joint much longer than the basal G. i. Phromnia, St.al. 



Second joint as long as the basal G. 2. Cerynia, St.ll. 



Basal joint longer than the second G. 3. Cenestra, Stiil. 



2 Second antennal joint very long, at least as long as the breadth of the frons. 



G. 4. Delapax. Spinola. 

 Second antennal joint twice as long as broad ; frons without a median keel ; clypeus 



convex, with a feeble, sharp, median keel towards apex 



G. 5. Meenoplus, Fieber. 

 Second antennal joint short or somev^'hat short. 



Posterior tibia; unarmed, without spines 6. 



Posterior tibise armed, with one spine 5- 



Posterior tibiae armed, with two spines. 



