SUPPLEMENT. 1 123 



Group 6. (Sp. 21). 



Head very little narrower than the chest, almost triangular, 

 slightly produced in front, whose sides are almost straight ; sides of 

 the fore-chest convex in the middle. 



Group 7. (Sp. 57, 82, 87, 90, 93—95). 



Body generally short: head almost as broad as the chest : eyes 

 more or less prominent : sides of the hind scutcheon rounded or 

 slightly angular by the base of each fore-wing. 



Groups. (Sp. 83—86, 91, 92, 96, 98—101, 106, 142, 143, 147, 

 150, 157—160, 162, 163,167, 185, 189—194). 



Body rather narrow : head a little narrower than the chest : 

 eyes not prominent : fore-chest almost linear excepting the hind- 

 scutcheon, which is widened and rounded by the base of each fore- 

 wing. 



Group 9. (Sp. 102, 103). 



Body rather narrow : head as broad as the chest : eyes promi- 

 nent : sides of the fore-chest almost linear : hind-chest widened and 

 rounded by the base of each fore-wing. 



Group 10. (Sp. 109—111, 153, 161, 165). 



Like Group 8, but more slender and of small size: eyes more 

 prominent. 



Group 11. (Sp. 154, 164). 

 Head very small. 



Page 113. 



16. Cicada Fraxini. 



Cicada Fraxini, Germ. Than. Arch. ii. 2, 4, 46. Herr.-Schaff. 

 Faun, cxliv. 1. Siebold, Ent. Zeit. Stett. viii. 16, 6. 



