BURR, DERMATOPTERA. if 



The type of .4. machinderi BuRR was taken by Mr. H. J. IMackinder in July 1S99 

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

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

 by Karsch; but Dr. Sjöstedt has brought home 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 obhged to sink the name mackinderi as a synonym; it may 

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

 which seem at first so different; but the two form pass insensibly into one another, 

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

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

 are specimens in the British Äliiseum 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. 



Apterygida arachidis Yers. 



Ann. Soc. ent. Fr. (3) VIII. p. 509, figg. 33—35, 1860. 



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



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



previously recorded by Gerstaecker from the district of Mombasa, unter the name 



of Forfkula {Apterygida) gmvidida (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'flcula Linnaeus. 



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



Forflcula senegaleusis Serville. 



Orth. p. 39, 1839. 



iferw-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. 



Forflcula rodziankoi Semenov. 

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

 Meru-Niederung, west from the mountain, 27. XII., .3 male, 4 females. 

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

 2 males and 2 females. 



Sjüatedla Kilimandjaro-Metu Expedition. 17. 2 



