60 ZOOLOGICAL EESULTS OF THE EUWENZOEI EXPEDITION. 



with the arculus, and followed by two rows of cells, increasing only towards the 

 hind margin ; two cross-nervures in the lower basal cell. Legs rather long and 

 slender, with short spines ; appendages of the second segment of the abdomen small 

 and slender, but long and very conspicuous ; upper terminal appendages very stout, 

 hatchet-shaped, and pointed ; lower appendage simple, pointed, about half as long 

 as the upper ones. 



A remarkable genus, of somewhat doubtful affinities. 



ACCAPHILA EUDOXIA, sp. n. 



Long. Corp. 45 millim. ; exp. al. 72 millim. ; long. pter. 3 millim. 



Male. — Head yellow, frontal tubercle and middle of front (which is strongly 

 punctured) purple ; a spot on each side of front, the middle of nasus (except a short 

 transverse yellow mark above and below), all the lower mouth-parts, except the triangular 

 mentum, and some spots behind the eyes, black. Thorax bronzy green, with double 

 yellow median line and interalary spaces yellow ; pleura with alternate bands of bronzy 

 green and yellow. Abdomen black, the two basal segments with yelloAV markings in 

 the middle above and on the sides ; the remaining segments have long yellow spots at 

 the base on the sides ; there is also a slender yellow middle carina above, marked 

 with a large yellow spot on segment 7. Legs black, a line on the front femora 

 beneath and the hind trochanters yellow. Wings hyaline; pterostigma brown, with a 

 yellow central line ; membrane of hind wings grey, very small. 



Described from one male : Mubuku Valley, E. Euwenzori, GOOO feet, Jan. 30, 1906. 



Genus Orthetkum. 

 Newman, Entomological Magazine, i. p. 511, note (1833). 



Oetheteum chrtsostigma. 



Libellula chi-ysostigma Burmeister, Handbuch der Entomologie, ii. p. 857. n. 58 (1835). 

 Six specimens from the Mubuku Valley, E. Euwenzori : two males and one female 

 taken at a height of 6000 feet, on Feb. 24, 1906 ; and two males and one female taken 

 on March 2, 1906, at a height between 5000 and 7000 feet. 



Orthetrdm sp. 



One female specimen : Mubuku Valley, E. Euwenzori, 5000-7000 feet, March 20, 

 1906. 



A species allied to 0. caffnmi Burm. 



OrTHETRUM TRUiS^CATUJI. 



Calvert, Trans. Amer. Ent. See. xis. p. 1G2 (1892) ; Proc. U.S. Nat. Mus. xviii. p. 128 

 (1896). 



Hob. Kilimanjaro [Calvert); Euwenzori {G. F. Scott Elliot). 



