240 ZOOLOGICAL RESEARCHES 



a very peculiar small fish, the »big-eye-bompy" [Perio- 

 phthalmus koelreuteri). 



In October the female lays generally two , more rarely 

 three eggs of a uniform green color and a size of 3,5 cm. 

 in length and 2,8 in width. The young birds are very 

 strongly tinged with fulvous. 



Iris of adult birds yellow , of young birds brown ; bill 

 black , base of lower mandible and naked space before the 

 eye greenish-yellow , feet brown , hind part of the tarsi 

 and soles of the toes ochraceous. 



Botatirus Sturmii, 



Ardea Sturmii^ Wagl. Syst. Av. Ard. sp. 37; — Hartl. 

 Orn. W. Afr. p. 224; — Schl. Mus. P.-B., Ardeae,p. 45. 



Botaurus Sturmi, Boc. Orn. d'Ang. p. 447. 



Hab. Tropical and Southern Africa. 



Collected at Bendo , near the Fisherman Lake. 



This species was only found along freshwater-pools 

 and creeks in the high forest. It is a very quiet bird , 

 that seems to be somewhat rare in the country. 



Iris greenish yellow , bill lemon-yellow , point black , feet 

 reddish brown. 



Botaurus leucolophus. 



Tigrisoma leucolophum ^ Jard. Ann. and Mag. Nat. Hist. 

 XVII, p. 51; — Hartl. Orn. W. Afr. p. 225; — Boc. 

 Orn. d'Ang. p. 448. 



Ardea leucolopha, Schl. Mus. P.-B., Ardeae, p. 50. 



Hab. West Africa, from Liberia to the Congo, 



Collected at Buluma , near the Fisherman Lake. 



A beautiful immature male (full-grown) was shot near 

 a freshwater-creek amids the high forest. These birds 

 make sometimes , especially at night , more rarely during 

 the daytime, a tremendous noise, almost like our Bittern. 

 The natives told me that it was produced by a gigantic 



Notes from the I^eyden IMuseutu, "Vol. "VII. 



