630 Characteristics of the Insect-Fauna 



apparently not turning the angle of the base. Diameter 

 very nearly .04 in., height fully .04 in. 



PEZOTETTIX GLACIALIS, nov. sp. 



Allied to P. salamandra Fisch. Head not large ; occi- 

 put swollen ; vertex with a broad shallow sulcation ( 9 ) or 

 narrow, but not deep {S)i slightly depressed transversely 

 between the eyes; frontal ridge with a deep sulcation, and 

 a depression at the central ocellus ; eyes not so prominent 

 as usual in the genus, not elongated, docked anteriorly, 

 and very slightly above ; antennae slender, equal in both 

 sexes, as long as head and thorax ; pronotum a little wid- 

 est posteriorly, margin straight both in front and behind, 

 with a minute central emargination anteriorly ; lateral 

 carinaB scarcely apparent, median very slight; sternal spine 

 prominent, laterally compressed, blunt ( $ ), rather short, 

 blunt, conical ( 9 ) ; meso- and metanotum wingless, sim- 

 ilar altogether to abdominal segments ; hind femora 

 above, with square lateral carinas and a sharp median 

 carina ; abdomen laterally confipressed, with a distinct' 

 median carina extending faintly on to meso- and metatho- 

 rax ; centre of subgenital plate tuberculated. 



9 ; vertex of head, dorsum of thorax and abdomen oli- 

 vaceous green ; a broad black band behind the eye, reach- 

 ing the posterior margin of prothorax, continued posteriorly 

 over half the length of abdomen as an interrupted band 

 by a series of dark transverse streaks at base of segments ; 

 below this, on sides of thorax, bright greenish yellow, with 

 a black spot on middle of lower border of prothorax ; be- 

 neath, greenish yellow, prosternum dusky, tubercle tipped 

 with brown ; front and sides of head yellowish green, with 

 a greenish streak down the middle of frontal ridge; labium, 

 maxillse, tip of labrum and of clypeus pale bluish white ; 

 both j)air of palpi yellow, terminal joint rimmed with 

 brown; tip and extreme base of mandibles black ; anten- 



