164 LIST OF HOMOPTEEOUS INSECTS. 



slightly obtuse angle, parted from the second by move than four 

 times its length ; second nearly straight, slightly slanting, forming 

 an almost right angle, as long as the first ; third almost straight, 

 slanting, forming an acute angle ; fourth indistinctly waved, slant- 

 ing, forming an acute angle, very much longer than the third ; fifth 

 slightly curved, nearly upright, forming a very slightly obtuse an- 

 gle. Body ferruginous, clothed with a few white hairs : head pale 

 tawny, rather broader than the fore-chest ; region of the eyelets 

 occupied by a pitchy mark whence two ferruginous stripes proceed 

 to the hind border; a black baud across the front ; face very convex, 

 rather prominent, adorned with a black stripe which extends to the 

 mouth ; mouth tawny with a black tip, extending to the middle- 

 hips : eyes not prominent : feelers black : breast pale tawny : fore- 

 chest not narrower in front than behind ; scutcheon adorned with a 

 slender yellow middle stripe, pitchy on each side ; hind-scutcheon 

 narrow, dark tawny, broader and forming a distinct angle at the 

 base of each fore-wing, extending some distance beyond the scut- 

 cheon, nearly straight on each side : scutcheon of the middle-chest 

 adorned with three yellow stripes which are united in front, the side 

 pair slightly oblique ; cross-ridge very small ; hind border not exca- 

 vated : abdomen obconical, pitchy towards the tip, very little longer 

 than the chest : oviduct pitchy : legs tawny ; thighs somewhat fer- 

 ruginous ; tips of the claws black ; fore-thighs armed with three 

 black teeth, two of these are large, and one small : wings colour- 

 less ; their tips brown, which colour extends much more on the fore- 

 wings than on the hind-wings, and in the former includes two nearly 

 colourless spots ; the tawny stripe along the fore border is much 

 broader between the base and the brand than beyond the latter which 

 is pitchy ; veins tawny, black towards the tips ; fore-flaps pale 

 tawny ; hind-flaps pale tawny along the hind border towards the base. 

 Length of the body 7^ lines ; of the wings 23 lines. 



^108. Cicada Sphinx, Fern. 



Nervus transversus lus snbcurvus, subobliquus, angulum rectum 

 fingens, 2o plus triplo ejus longitudine divisus ; 2us fere rec- 

 tus, subobliquus, angulum obtusum Jingens, \o multb brevior ; 

 3us subundatus, obliquus^ angulum subacuium fingens ; 4ws 

 fere rectus obliquus, angulum vix acufum Jingens, do paullo 

 brevior. 



Second marginal areolet less than half the length of the first : 

 first cross-vein slightly curved, very slightly slanting, forming a 



