98 MR. W. F. KIRBY OX ORTHOPTERA FROM [Feb. 4, 



M nt Rtiweiizori. 



Two discoloured specimens, apparently belonging to this "West- 

 African species. 



DiCTYOPHORUS. 



DxciyopJiorxis Thunb. Mem. Acad. Petersb. v. p. 258 (1815). 

 II Petasia Serv. Ann. Sci. Nat. xxii. p. 278 (1831). 



17. DiCTYOPHORUS ANCHIET^. 



Petasia anchietce Bolivar, Jorn. Sci. Lisb. xxx. p. 110 (1882). 



Tloi-ee specimens from Entebbe, Oct. 1900. 



Originally described from Angola, but apparently common 

 in East Africa. There are specimens in the Natural History 

 Museum from Abyssinia, Zomba, British East Africa, and 

 Tanganyika. 



Pamphagin^. 



XiPHICERA. 



XijMcera Lamarck, Anim. sans Yert. iv. p. 243 (1817). 



18. XiPHICERA GIBBA, Sp. U. 



Long. Corp. 37 millim. ; long. pron. 17 millim. ; long. fem. 

 post. 12| millim. ; lat. 5 millim. 



Male. Dark red ; vertex longer than broad, granvilated, sloping, 

 and projecting in a point scarcely beyond the level of the lower 

 pari; of the face, to which it slopes gradually down ; antennje, 

 fimicukis apparently 6-jointed (the three basal joints hardly 

 separable), followed by a narrower joint but broader than long, 

 two intermediate joints, the first shorter than the other, and the 

 flagellum, which consists of only two joints, one longer than 

 broad, narrowed at the base and truncated at the end, and the 

 terminal joint linear. Pronotum very high, laterally com- 

 pressed, granulated, pointed in front and bifid iDehind ; in front 

 it slopes upwards to a rounded-ofli" obtuse angle before the middle, 

 and then lauis backwards to the extremity almost straight, the 

 hinder part being obtusely denticulated. Tegmina and wings 

 rudimentary ; back of abdomen with small teeth on the median 

 line. Hind femora granulated with white, and with the upper 

 surface straight and serrated, the extremity truncated ; the lowei- 

 edge moderately broadly laminated, denticulated, and with a 

 concavity before the extremity ; hind tibisB with strong short 

 spines, eight on the outer edge. 



A single specimen from between Lake Victoria and Lake 

 Tanganyika. It would probably have fully- developed wings, if 

 mature. 



Allied to X, spinulosa Saussure and X. haploscelis Schaum. 



MESAMBRIINiE. 



Two immature specimens from Baringo (Dec. 20, 1899), 

 probably belonging to a new genus allied to Mesambria Stil. 



I 



