LOCUSTID,E. 273 



side. Eyes testaceous. Antennae piceous, testaceous towards the base 

 Oviduct straight, as long as the abdomen. Wings pellucid ; veins pale 

 green. Hind whips somewhat longer than the fore wings. Length of the 

 body 8 lines; expansion of the fore wings 20 lines. 



It may prove to be the female of X. tenue. 

 a, b. Natal. From M. Gueinzius' collection. 



Sect. n. 



Fcem. Corpus gracile, apterum. Frons subobliqua. Oculi sat parvi, 

 non globosi. Antennae gracillimae. Prothorax lateribus obtuse angulatis, 

 callis duobus posticis, maigine postico recto. Abdomen lanceolatuin, pro- 

 thorace anguslius et duplo longius. Oviductus rectus, basi arcuatus, 

 eorpore vix duplo longior. Pedes graciles; femora postica dirnidio basal i 

 incrassata; tibiae quatuor anteriores biseriatim quinquespinosae; Iibia3 

 postica? quadriseriatim spinulosae. 



Female. Body slender, smooth, shining. Head full as broad as the 

 prothorax, prominent, narrow and rounded between the antennae ; front 

 flat, slightly oblique, narrow towards the vertex, with an indistinct trans- 

 verse furrow between it and the face. Eyes rather small, not prominent. 

 Antenna? very slender. Prothorax not elongated hindward ; hind border 

 straight; lateral keels not defined ; sides obtusely angular; a callus on 

 each side of the hind border. Abdomen lanceolate, narrower than the 

 prothorax and full twice its length. Oviduct straight, curved at the base, 

 almost twice the length of the body. Legs slender; four anterior tibiae 

 with five minute spines on each side; hind femora and hind tibiae long; 

 hind femora incrassated for half the length from the base ; hind tibiae with 

 four rows of very minute spines and with minute apical spurs. Wings 

 none. 



17: XlPHIDIUM CAUDALE. 



Foem. Viridi-leslaceum, vittis duabvs pallidioribvs ferrugineo submar- 

 yinatis ; antennce fulvce, basi viridescentes ; oviductus fulvus. 



Female. Greenish testaceous, probably grass-green when alive. 

 Vertex, prolhorax and dorsum of the abdomen with two paler stripes, which 

 are incompletely and irregularly bordered with ferruginous on the inner 

 side. Antennae tawny, pale greenisb at the base. Oviduct tawny. Tarsi 

 black towards the tips. Length of the body 8 lines. 



a. Natal. From M. Gueinzius' collection. 



18. XIPHIDIUM IRIS. 



Xiphidion Iris, Serv. Hist. Orth. 506 Xiphidium Iris, Stal, Eng. Reset, 

 323. 



a, b. Mauritius. From Dr. Beke's collection. 



