CLASS V. INSECTA. 
220 
This species is considerably smaller than C.fossarum, bad; black, 
sides yellow. 
Sp. 6 . Cor. dorsalis. Thorax with six transverse black lines on the mar- 
gin: elytra black and spotted, the anterior margin immaculate. 
C. dorsalis. leach, Trans Linn. Soc. xii. 
Rather larger than C. stagnates . Rack yellow. 
b. Thorax and elytra smooth and sliming. 
®P- 7. Cor. Geoffroyi. Yellow : thorax with uumerous transverse black 
lines: elytra black with minute spots : back wholly black : apex yel- 
lowish. 
La Corise. Geoff. Hist. Nat. des Insect, i. P. 478. pi. 9. fig. 7. Sigara 
striata. Panz. Faun. Ins. Germ. Ins. 50. 23. Corixa Geoflroyi. Leach. 
Length of the body half an inch. 
Lihabits stagnant waters, and js very common. 
“ All authors have considered this spceies as Notonecta striata of 
Linne, although it will not agree with his character. It is figured 
by Geoffroy and Panzer, and is of the former author the species serv- 
ing as the type of the genus Corixa.” 
'V 3. Cor. affinis. Yellow: thorax with numerous transverse black 
lines: elytra black with minute dots: back wholly black, sides den- 
tated and yellow. 
Lor, affinis. Leach, Trans. Linn. Soc. xii. 
Inhabits ponds near Plymouth, but is rare. But half the size of C.Geof- 
froyi. 
Order VIII. OMOPTERA. Leach. 
Order Hemiptera. Linn., Cuvier, Lamarck. 
Class Rhyngota. Fair. 
Order Hemiptera. Section 2. Homoptera. Latr, 
Characters of the Order. 
Rostrum attached to die inferior part of die head : elytra coriaceous or 
membranaceous throughout; suture straight: thorax composed of 
two segments, die second as long or longer than the first : ocelli three. 
Metamorphosis semicomplete, or incomplete. 
Fam. I. CiCADiAD.i,. Leach. 
0'cadari.e I, Latreille, 
■Antenna composed of six distinct joints: ocelli or little eyes three: tarsi 
with three joints. 
Genus 293. CICADA. Lamarck, Geoff., Linn., De Geer, Latr. 
Tettjgoma. Fair. 
Thighs of the anterior feet thick, dentate. 
Sp. 1 . ? (P/. 5 . fig. Q. natural size.) 
The only species known to inhabit this country was lately disco- 
'ered by Mr. Daniel. Bydder, near the New Forest in Hampshire, 
