F. W. EDWARDS — FURTHER NOTES ON AFRTCAN CUL1CIDAE. 53 



at the bases of the hind tarsal joints are much narrower than in typical M. afri- 

 canus. The male genitalia, however, do not differ in any way. This form has 

 up to the present only been found in Uganda. 



The following distribution may be confirmed : Bechuanaland : L. Ngami 

 (R. B. Woosnam) ; British East Africa : near Wangi, coast of mainland 

 (S. A. Neave), Magogoni Swamp, near Witu (S. A. Neave), Nzoia River 

 ( W. Kennedy), Kisumu (Dr. A. Mouat) ; Nyasaland : Fort Johnston (Dr. A. H. 

 Barclay, Dr. R. Bury), Fort Maguire (Dr. A. H. Barclay), Zomba (Dr. Gray,) 

 Bua River and Chiromo (Dr. J. E. S. Old), Karonga, mouth of Nkumbaleza R. 

 and near Kota Kota (S. A. Neave) ; N. Rhodesia : junction of Luangwa and 

 Mpamadzi Rivers (S. A. Neace), Mburuma (O. C. Silverlock) ; Uganda : Entebbe 

 (Dr. Moffat, Dr. Low, Capt. Grieg), Chagwe (Capt. A. D. Fraser), Muzizzi, 

 Mugidi and Lami Rivers, Ndaiga, Kidongo, Bunyampaka, Mohokya and 

 Kikorongo, all in Toro (Dr. R. E. McConnelT), western shore of Lake Victoria 

 Nyanza, Buddu (S. A. Neave) ; Belgian Congo : Coquilhatville and Yumbi 

 (Dr. A. Yale Masscy); Sudan : Bahr-el-Ghazal (Capt. Cummins); N. Nigeria: 

 Lokoja (Dr. E. A. Chartres, Dr. C. F. Watson), Baro (Dr. A. Ingram, 

 Dr. J. J. Shnpson), Yelwa, Mama, Zungeru and Derri (Dr. J. J. Simpson) ; 

 S. Nigeria : Yaba, Lagos (Dr. W. M. Graham), Siluko (Dr. A. H. Wilson), 

 Yewa River, Badagry (Capt. L. E. H. Humfrey), Obubra Station, Ikom 

 District (Dr. W. S. Clarke), Bende and Ikpe (Dr. P. H. Macdonald), Oshogbo 

 (Dr. T. F. G. Mayer), Aro, Ere, Onitsha and Asaba (Dr. J. J. Simpson) ; 

 Gold Coast : Bole (Dr. A. Ingram), Weshiang, R. Dainsu (Dr. A. C. Council, 

 Dr. II. F. Hamilton) ; Sierra Leone: Torma (Dr. J. J. Simpson); Gambia: 

 (Dr. Burdett). 



Yar. nigerrimus : Uganda : Mpumu (Sir D. Bruce), Entebbe (Dr. Moffat), 

 Kafu River, near Hoima, Koki Country, S.W. Buddu, and Mabira Forest, 

 Chagwe (S. A. Neave). 



In many districts M. africanus seems to be commoner than 31. uniformis, but 

 it has not been found outside the Ethiopian Region. 



Culex pipiens, L. 



Culex pipiens, L., Syst. Nat. Ed. x, p. 602 (1758). 



? Culex zombaen sis, Theo., Mon. Cul. ii, p. 143 (1901). 



Culex varioannulatus, Theo., Mon. Cul. iii, p. 198 (1903). 



Culex azoriensis, Theo., Mon. Cul. iii, p. 210 (1903). 



Culex osakensis, Theo. (Q only), Mon. Cul. iv, p. 439 (1907) [g = C. 



fatigans], 

 Culex quasiguiarti, Theo. (Q only), Mon. Cul. v, p. 374 (1910) [g = C. 

 pallidocephalus]. 

 This species is common at Nairobi and other places in British East Africa. 

 The males from these localities differ in no way from the typical C. pipiens of 

 Europe, but strangely enough the females are very variable in markings, which 

 is not the case with European specimens ; sometimes the abdomen has well- 

 marked yellowish-white bands, sometimes these are reduced to inconspicuous pale 

 lateral spots, so that the whole dorsal surface of the abdomen appears blackish. 

 Every gradation occurs between these two extremes. In these dark varieties the 



