838 CATALOGUE OF 



cinereous ; veins and costal streak black. Length of the body 7 lines ; 

 expansion of the hind wings 12 lines. 



a. ? 



98. Tettix rudis. 



Fcem. Ferruginea, crassa, forliter carinata ; prothorax tuberculatus, 

 tricarinalus, nigro bimaculalus, lateribus oblique dilalalis el rotun- 

 datis,postice abdomen sal superans ; abdomen nigrum, fulvo maculoso 

 vitlatum ; pedes nigro fasciati, femoribus subtus subdilatatis et sub- 

 tuberculalis. 



Female. Ferruginous, thick. Head with a strongly- marked keel, 

 whose divisions between the antennae slightly diverge towards the forked 

 keel of the front ; a short keel on each side of the front. Eyes small, 

 slightly prominent, not rising so high as the keel of the vertex. Prothorax 

 tuberculate, with three keels ; middle keel strongly marked near the fore 

 border; lateral keels strongly marked in the middle part, disappearing 

 towards the fore border; sides obliquely dilated and rounded ; two trans- 

 verse black spots at the base of the lanceolate part, which extends rather 

 beyond the tip of the abdomen. Abdomen mostly black, with some stripes 

 of tawny spots. Legs stout, with many black bands ; femora slightly 

 dilated, and with slight protuberances beneath. Hind tibia? with short 

 stout spines. Hind wings undeveloped. Length of the body 4£ lines. 



99. Tettix albescens. 



Mas. Albida, sat robustu ; caput nigricans; oculi verticem paullo 

 superantes ; prothorax sublricarinatus, antice obscure cinereus; 

 lateribus subdilatatis rotundato angulatis, poslice obscure cinereus, 

 abdomen Ion g is sime superans ; pedes cinerei, nigricante fasciati ; uUe 

 posticce cinerea. 



Male. Whitish, moderately stout. Head blackish, hardly prominent 

 in the space between the antennae, which is occupied by two diverging 

 keels ; a short keel on each side of the frout. Eyes very prominent, rising 

 a little higher than the vertex. Prothorax dark cinereous about the fore 

 border; three slight keels; lateral keels abbreviated towards the fore 

 border, slightly rounded in the middle part ; sides slightly dilated, and 

 forming two oblique rounded angles; hind part lanceolate, compressed, 

 extending very much beyond the tip of the abdomen, dark cinereous 

 towards the tip. Abdomen and legs cinereous. Legs moderately stout ; 

 tibiae, tarsi and four anterior femora with blackish bands. Hind tibiae with 

 very minute spines. Hind wings cinereous ; veins black. Length of the 

 body 5 lines; expansion of the hind wings 10 lines. 



100. Tettix hcmeralis. 



Mas. Pioea, sat gracilis; oculi verticem paullo superantes ; prothorax 

 subluberealatus, sublricarinatus, lateribus oblique dilatutis, postice 

 cervino marginalus, abdomen longissime superans ; pedes sat robusti ; 

 alee postica: cinerece. 



