436 CLASS VIII. 
%) Ocelli two. 
Tettigonia LatR., Cicada Fase. 
* With ocelli on vertex. 
Sub-genera : Cercopis Fasr. in part, Aphrophora GErM., Clastoptera 
Germ., Jettigonia Geru., Burm, Huacanthus Gurm., Ledra Fasr., 
Ledropsis Wurre, Penthimca Gurm., Gypona Gurm., Xerophlea 
GERM." 
Sp. Cercopis spumaria Fasr., Aphrophora spumaria GERM., Cic. spumaria 
L., Rasen, Jns. 1. Locust. Tab. xxut. f. 1—4; the larva and nymph 
live in a white froth (vulg. cuckoo-spit) found in spring-time on different 
plants, especially on willow-trees. 
Tettigonia viridis, Cicada viridis L., &c. 
** With ocelli in the margin of frons. 
Jassus Fasr. (Add sub-genera Celidia, Paropia, Hupelia, Aco- 
cephalus, Bythoscopus GERM.) 
tt) Posterior tibiee unarmed. 
Ulopa Fauu., Germ. Head broad, with eyes somewhat pro- 
minent. 
Aithalia GerM., Burm. (Aitalion Larr.) Head deflected an- 
teriorly. 
Sp. dithalia reticulata, Cicada reticulata L., DE Geer, Jns. m1. Pl. 33, 
figs. 15, 16, LATREILLE in HumpBonpr et Bonpianp, Observ. de Zool. 
et d’ Anat. comp. I. Pl. 24, figs. 12, 13. Habit. in South America; forms 
the transition to the following section, 
B) Prothorax produced posteriorly above the abdomen, often 
covering the scutellum, in some the wings also. Head deflected, 
with frons inferior ; ocelli two in vertex. 
Membracis Later. (Centrotus, Membracis |Ranatra Lesson?], 
Darnis FABR.). 
Add sub-genera; Lamproptera Geru., Bocydium Larr., and 
several others, on which comp. Burmeisrer, 1.1. 11. pp. 127, &c. and 
Amyor et ServiLE, Vewr. pp. 532—553. 
1 Besides these, many other genera have been added by AMyoT et SERVILLE, 
Hist. nat. des Ins. hémipt. which from our limited space we cannot record. 
2 This name was given long before to a genus of the water-bugs (Wepa linearis). 
