634 Messrs. Sclater awe? Mackworth-Praed on [Ibis, 



Range. Abyssinia north to Kassala and Eritrea, south to 

 Shoa and Somaliland. 



L. M AMBiGuus (Mad.). White on the wing confined to 

 the primary coverts. Size generally smaller, wing about 

 90 mm. 



Range. East Africa between the coast-belt and the Rift 

 valley. 



L. M. suBi.ACTEus (Cass.). No wliite on the wing ; smaller, 

 wing about 78 mm. 



Range. Coast-belt of East Africa from Lamu to Dar-es- 

 Salam. 



,- L. ^. MossAMBicus (Rcichw.). Wing with white on the 

 inner secondaries as well as the coverts. Wing about 

 90 mm. 



Range. Mozambique, Nyasaland, and Rhodesia to about 

 the region of the Victoria Falls. 



L. M. GUTTATUS (Hartl.). Like mossambicus, but pure 

 white on the underparts. 



Range. Angola east to Lake Ngami and the Victoria Falls 

 region. 



L. JE. BicoLOR (Hartl.). Like guttatus, but no white on 

 the inner secondaries. 

 Range. Gaboon. 



L. M. MAJOR (Hartl.). With white on the coverts and 

 secondaries ; like mossambicus, but larger. Wing about 

 100 mm. 



Range. West Africa south to Cameroon, east to Uganda, 

 East Africa, west of the Rift valley and the Bahr el 

 Ghazal. 



L. iE. TURATii (Verr.). No white on the wing, and larger 

 than the east coast sublacteus — about 105 mm. 



Range. Portuguese Guinea and probably Senegal. 



We have no specimens from the type -locality of 

 L. ae. somaliensis Reichw. from S. Somaliland, and so cannot 

 state whetlier the smaller size is constant. 



