34 BRITISH CICADA. 



above-noted streaks appear more as broad dots. A 

 small dot occurs on the outer edge of the clayus. The 

 genital segment is posteriorly of a snowy white. 



Found in marshes near the Norfolk Broads and 

 elsewhere. Fieber records it as found in Germany, on 

 rose trees. 



LiBURNiA SMARAGDULA, Stal. Plate XI., figs. 1 to 4. 



DelpJiax smaragdula, Stal ; Kirschb. 

 Lihurnia smaragdula, Scott. 



Chloriona smaraqdida, Fieb., G. D. t. 8, fig. 6; Fieb., 

 C. E. pt. iii."26; Sahl. ; Edw. pt. i. 66. 



Vertex projecting beyond the head, strongly keeled, 

 and brownish. Antennal second joint large. Pro- 

 notum bright green. Keels somewhat indistinct. 

 Abdomen brown, with dusky ochreous somatic rings 

 and reddish sides. Py gofer of the female ending with 

 two greenish square opercular plates. Legs emerald- 

 green, with minute black hairs on the spurs of the 

 hind tibiae. Elytra long, rounded at the apices ; colour 

 pale green, shading into yellow at their bases. Nervures 

 yellow and pale, furnished with fine hairs. Wings 

 delicate and iridescent. 



The brachypterous female is larger than the ma- 

 cropterous, with elytra hardly one-third the length of 

 the abdomen. Wings obsolete. General shape fusi- 

 form, with swollen body-rings. Pygofer notched, with 

 a rounded anal process, beneath which the black point 

 of the ovipositor appears. 



This insect is rather uncommon in England, but it 

 occurs in the environs of Stockholm. It has been 

 taken also at Sarepta, in Syria. 



Size, 4-5 to 5'0 millimetres, or 0-16 to 0*18 inch. 



