TETTIGIDiE. 821 



43. Tettix vittata. 



Fcem. Nigricans ; T. subpustulata? affinis ; prothorax fulvo univittatus et 

 bimaculatus ; pedes teslaceo pallida varii, femoribus notatis, libiis 

 qualuor anterioribns trifasciatis, tibiis posticis unifasciatis ; alee 

 posticce cinerece, apud costam nigricantes. 



Female. Blackish, in structure like T. subpustulata. Prothorax 

 with a tawny stripe along the keel; hind part lanceolate, wholly tawny, 

 extending for one-third of its length beyond the abdomen; a tawny spot 

 on each side, near the base of the fore wing. Legs rather short and 

 slender; femora with some pale testaceous marks; four anterior tibiae with 

 three pale testaceous bands ; hind tibiae with a pale testaceous basal band. 

 Fore wings rudimentary. Hind wings cinereous, blackish along the costa ; 

 veins black. Length of the body 4J lines; expansion of the hind wings 

 1 1 lines. 



a. Natal. From M. Gueinzius' collection. 



44. Tettix pallipes. 



Fcem. Fulva,fusco varia, subcarinata ; oculi vatde prominuli ; prothorax 

 carinis laleralibus antiee abbrevialis, postice lanceolatus, abdomen 

 longissime superans ; tibiae albce, fusco fasciatcc ; aim posticce 

 diaphance, slriga costali fusca. 



Female. Tawny, slightly mottled with brown, paler beneath. Head 

 and prothorax with a slight keel. Head very much narrower than the 

 prothorax ; front with two keels above and with a single forked keel towards 

 the face. Eyes very prominent. Prothorax with two slight lateral keels, 

 which are abbreviated in front aud converge towards the tip as usual ; hind 

 part lanceolate, compressed, extending for somewhat less than half its 

 length beyond the abdomen. Legs rather short and slender; femora 

 speckled with brown ; tibiae and tarsi whitish ; four anterior tibia? with 

 three brown bands; hind tibiae with two brown bands. Fore wings rudi- 

 mentary. Hind wings pellucid, with a brown postmedial costal streak; 

 veins black. Length of the body 3 lines; expansion of the hind wings 

 8 lines. 



a, b. Sierra Leone. Presented by the Kev. D. F. Morgan. 



45. Tettix aliena. 



Fcem. Picea, robusla ; oculi subprominuli ; prothorax subtuberculatus, 

 subcarinalus, postice lanceolatus, abdomen paullo superans; pedes 

 breviusculi, fulvo varii. 



Female. Piceous, stout. Head narrower than the prothorax, with a 

 slight keel, which is as usual looped between the sockets of the antenna? 

 and forked towards the face. Eyes slightly prominent. Antenna? slender. 

 Prothorax minutely tuberculate, with a very slight keel; hind part 

 lanceolate, extending a little beyond the lip of the abdomen. Legs 



