^Ir. .1. K. ^lallocli on I'J.i'od'c ^luscarid*. ')85 



fine short liairs and some lon<ier setulae ; abdomen of female 

 tapered ai)ically, apieal tergite wiih very short bristles. 

 Tibial bristles long ; anterior and antero-dorsal pair not at 

 same height, the former apicad slightly. Fourth wing-vein 

 in male conspicuously thickened proximad of the inner cross- 

 vein to base of discal cell, not abnormal in female ; inner 

 cross-vein at or slightly before middle of discal cell. 



Length 7 mm. 



Type, female, allotype, and four paratypes, Nakuni, 

 Kenya Colony, i. 1913 {B. L. van Sumeren). Paratypes, two 

 females, Mogorr River, Kenya Col., v. 1913 {Capt. A. O. 

 Ltickman) -J one femal ■. Kabete, Kenya Col., 17. ii. 1918, 

 and one female, we^t of Mt. Kenia, 1*9-20. ii. 191 1, 6500- 

 7;350 feet (7'. J. Anderson). 



Coenosia xenia, sp. n. 



Male. — An aberrant species, distinguished by the absence 

 of the anterior bristle from middle of hind tibia. 



Black, densely grey-pruincscent. Head black, froiis 

 almost velvety, deep black, orbits grey ; antennae and palpi 

 black. Thorax greasy in type, but evidently vittate. Ab- 

 domen with large but not clearly defined lateral spots ami 

 mediau vitta on dorsum black. Legs including fore coxie 

 yellow, fore femora with a black streak on apical half above, 

 mid and hind femora with about the apical third black ; 

 tarsi fuscous. AVings hyaline. 



Frons uearly one-third of the head-width ; antennae 

 falling considerably short of the mouth-margin, third seg- 

 ment acute above at apex ; arista very short pubescent. 

 Abdomen compressed, hypopygium small, fifth sternite with 

 inner half of each process shining and furnished with long 

 tine hairs ; fore and mid tibia with the normal bristles 

 small ; hind femur with long tine hairs on basal half of 

 l)Ostero-ventral surface, and two or three short, widely 

 separated bristles on autero-veutral surface; hind tibia «ith 

 a short antero-dorsal bristle at middle. Inner cross-vein 

 just beyond middle of discal cell, outer at its own length 

 from apex of fifth vein. 



Length 5 mm. 



Type, Uluudi, Natal, ix. 1896, 5000-6500 feet (G. A. K. 

 Marsliull). 



Caricea natalia, sp. n. 



Female. — Similar in colour and habitus to atroajncala, 

 differing as stated in key. 



