fiURR, DERMATOPTERA. ö 



Tlie type of A. machinderi Burr was taken by ]\Ir. H. J. Mackinder in Jiily 1S99 

 at Nairobi, about 5,500 ft, in tlic Kikuyu country, in British East Afrika ; in 

 appearance it is very different from what appears to be the typical form described 

 bv Karsch; but Dr. Sjöstedt has brought hoine such a good series that I have 

 been able to examine a large niimber of specimens, and I can find no structural 

 difference, and so feel obliged to sink the name mackinderi as a synonym; it may 

 liowever be conveniently employed to denote the larger and paler coloured specimens, 

 wiiich seem at first so different; but the two form pass insensibly into oue another, 

 and of the specimens brought home by Dr. Sjöstedt I have been unable to draw 

 tlie Une where the small dark form begins and the large paler form ends. There 

 are specimens in the British Museum and my collection which have the elytra almost 

 black; these are from Port Natal; in those taken by Betton in British East Africa 

 (Mbuyuni), they are uniform deep chestnut, as they are in many of Dr. Sjöstedt's 

 specimens, while in others they are chestnut in the centre, bordered with dark brown; 

 the two forms appear to occur together, as there are specimens of both varieties 

 noted by Dr. Sjöstedt from the same locality at the same date. 



Gen. Apterygida Westwood. 



Introd. Mod. Class. Ins. II. p. 44, 1840. 



Apterygülii Jiracliidis Yers. 



Ann. Soc. ent. Fr. (a) VIII. p. 509, figg. 33— .3.5, ISßO. 



KiUmandjaro : Kibonoto, 25. VII. 05. This is a cosmopolitan species, having 

 been distributed almost throughout the world by commerce and ships. It has been 

 preväously recorcled ])y Gerstaecker from the district of Mombasa, unter the name 

 of Forficula (Apterygida) gravidula (Arch. f. Naturg. XXV. (1) p. 221, 1869. 



It will probably be removed from this genus, but I retain here at least provisionally 

 for the sake of convenience. 



Gen. Foi'fieiila Linnaeus. 



Syst. Nat. ed. X, vol. 1, p. 423, 1758. 



Forficula senegalensis Serville. 



Orth.p. 39, 1839. 



il/fr^t-Niederung, Ngare na nyuki, 2 males. Widely distributed through Africa, 

 from Senegal to Kordofan, from the Sudan to Cape Colony, but variable in coloring 

 and the form of the forceps; perhaps it will be shown to really consist of two species 

 confused together. 



Forficula rodziankoi Semenov. 

 Rev. ruspc d'Ent. p. 48, 1901. 



ilferM-Niederung, west from the mountain, 27. XTI., .3 male, 4 females. 

 KiUmandjaro: Kibonoto, 1,300 — 1,900 m. under dead leaves of banana etc., 

 2 males and 2 females. 



Sjr'islerlln Kilininnrljnro-Mcru Expedition. 17. 2 



