26 LIST OF HOMOPTEROUS INSECTS. 



sheaths of the oviduct extending some distance beyond the tip. 

 Winjj^s vitreous ; veins black, testaceous towards the base. Fore 

 wings with the first and second transverse veins straight, upright : 

 first shorter than the second, from wliich it is parted by about thrice 

 its length ; third and fourth veins oblique, almost straight. Hind 

 wings clouded with brown at the tip of the fold. Length of the 

 body 6 — 7 lines; of the wings 14 — 16 lines. 



a. Para. From Mr. Bates' collection. 

 h. ? 



Cicada telifera. 

 Foem. Fulva, gracilis, snbtus viridis ; cajmt nigra trimaculatum ; 

 fades valde conica ; prothorax vitta viridi nigro marginata, 

 strigis lateralihus nigris, margine viridi ; mesoihorax postice 

 viridis; abdominis segmenta viridi marginata ; oviductus 

 vagina abdomen superantes ; alee vitrece ; anticcB anguslce. 



Female. Tawny, slender, mostly pale green beneath. Head 

 as broad as the prothorax, with three black spots on the vertex ; 

 face very conical. Eyes very prominent. Prothorax with a green 

 stripe, which is accompanied by two black stripes ; the latter are 

 widened in front and behind ; several minute black streaks on each 

 side ; border green, narrow, slightly widened on each side. Meso- 

 thorax green about the hind border. Abdomen with a pale green 

 band on the hind border of each segment. Sheaths of the oviduct 

 extending some distance beyond the abdomen. Wings vitreous ; 

 veins testaceous, black towards the tips. Fore wings narrow ; first 

 transverse vein oblique, hardly curved, parted by full twice its 

 length from the second, which is straight, short and upright ; third 

 and fourth straight, oblique ; third longer than the fourth. Length 

 of the body 6 lines; of the wings 14 lines. 



a. Venezuela. From Mr. Birschell's collection. 



Africa. 



Cicada excluders. 



Mas. Picea, robusfa ; fades sidds fidvis ; prothorax margine 

 an gun to vix di lata to ; opercula ventralia fulva ; alee vitrea, 

 venis piceis ; anticce acuminatce, fusco apud marginem exte- 

 riorem subtinctce, venis ] a el 2a transversis rcctis obliqtiis. 



Male. Piceous, stout. Furrows of the face tawnv. Border 



