1130 l'±'LE3VIENT. 



236. Cicada nigrovibidis, Fem. 



Nervus transversus lusfere rectus, valde obliquus, angulum perob- 

 tusum fingens, 2o triplo ejus longitudine divisus ; 2us fere 

 rectus valde obliquus, angulum perobtusum fingens, lo multo 

 brevior ; Sus rectus, erectus, angulum subobtusum Jingens ; 

 4ms rectus, obliquus, angulum vix acutum Jingens, Si longi- 

 tudine. 



Second marginal areolet a little shorter than the first; first 

 cross-vein almost straight, very oblique, forming an extremely ob- 

 tuse angle, parted from the second by thrice its length ; second al- 

 most straight, very oblique, forming an extremely obtuse angle, 

 much shorter than the first ; third straight, erect, forming a slightly 

 obtuse angle; fourth straight, oblique, forming a hardly acute an- 

 gle, as long as the third ; fifth straight, slightly oblique, forming an 

 almost right angle. One of the short-winged species : body black, 

 clothed with white hairs ; borders of the segments mostly green : 

 head a little narrower than the chest ; a green spot on the front, 

 which is convex, not prominent : mouth green with a black tip, 

 reaching the hind-hips : eyes not prominent : sides of the fore-chest 

 straight ; hind-scutcheon mostly green, widened and rounded on 

 each side, where it extends much beyond the anterior part : hind- 

 border of middle-chest convex: abdomen longer than the chest, 

 compressed at the tip: legs green, marked with black; feet black; 

 wings colourless ; veins tawny, black at the base and at the tip ; 

 fore-border green, brown towards the tip. Length of the body 9 

 lines ; of the wings 18 lines. 



a, b. South Africa. Presented by Dr. A. Smith. 



237. Cicada intacta, Fem. 



Nervus transversus \us subcurvus, subobliquus, angulum obtusum 

 fingens, 2o quadruplo ejus longitudine divisus; 2us rectus, 

 fere erectus, angulum obtusum Jingens, lo multo brevior; 3us 

 rectus, obliquus, angulum acutum fingens; 4us subcurvus, 

 obliquus, angulum subacutum Jingens, So longior. 



Allied to C. nitida, Deg. 



Second marginal areolet about two-thirds of the length of the 

 first ; first cross-vein slightly curved outward, slightly oblique, form- 



