LIST OF nOMOPTEROLS INSECTS. 213 



166. Cicada nervosa, Mas. 



Nervus transversus \us rectus^ subobliqmis, angulum suhuhtusum 

 Jingens, 2o triplb ejus longitudine divisus ; 2iis snbcurviis, 

 erectus, angulum obtiisum Jingens, lo paullb longior ; 3us 

 subcurvus, obliquus, angulum rectum Jingens ; 4us fere rectus, 

 obliquus, angulum rectum Jingens, 80 paulld brevior. 



Second marginal areoletmuch longer than the first : first cross- 

 vein straight, slightly slanting, forming a slightly obtuse angle, 

 parted from the second by full thrice its length ; second very slightly 

 curved; upright, forming an obtuse angle, a little longer than the 

 first; third very slightly curved, slanting, forming a right angle; 

 fourth nearly straight, slanting, forming a right angle, a little shorter 

 than the third ; fifth very slightly curved, upright, forming a very 

 slightly obtuse angle. Body black, partly clothed with white down : 

 breast and under side of the head pale tawny : head nearly as broad 

 as the fore-chest, adorned with a yellow interrupted middle stripe, 

 and on each side above the base of the feelers with two connected 

 greenish spots ; face convex, not prominent, adorned above with a 

 pale lawny stripe, and with a broader and paler stripe in front: 

 mouth pitchy with a black tip, reaching the middle-hips : eyes 

 not prominent: feelers black : scutcheon of the fore-chest adorned 

 with a slender pale tawny middle stripe, and on each side 

 with three irregular interrupted oblique ferruginous stripes ; hind- 

 scutcheon narrow, greenish yellow, broader, partly pitchy, form- 

 ing a slightly obtuse angle and extending beyond the scutcheon 

 at the base of each fore-wing : scutcheon of the middle-chest 

 adorned with two tawny stripes which are widened in the middle 

 and curved behind, where they are united on the tawny cross- 

 ridge ; sides and hind border mostly tawny, the latter slightly exca- 

 vated : abdomen obconical, a little longer and narrower than the 

 chest; hind borders of the segments green ; a tawny stripe beneath 

 on each side towards the base: horn of the tip conspicuous; oper- 

 cula none; tymbals whitish ; drums very small, pale tawny, parted 

 by a moderate interval ; legs yellow ; tiiighs and shanks streaked 

 with black ; feet black with yellow bands ; fore-thighs armed with 

 three black teeth, whose hind parts are ferruginous, two very large, one 

 of moderate size: wings colourless; fore border dark lawny ; veins 

 black, pale tawny towards the base; fore-flaps tawny; hind-flaps 

 whitish at the base and along the veins. 



Length of the body 7 lines; of the wings 17 lines. 



Var. (i. Stripes of the middle-chest interrupted : fore-feet 

 and middle-feet black ; fore border of the wit]gs pitchy. 



a, b. New Zealand. Presented by Dr. Sinclair. 



