TESTICULAR ASYMMETRY AND SEX RATIO IN BIRDS. 203 



Family Buphagidx. 

 Buphagus erythrorhynchus (Stanley). 



Family Zosteropidx. 

 Zosterops virens Sundeval. 



Family Nectariniidx. 

 Nectarinia nectarinoides (Richmond). 



Family Compsothlypidx. 

 Dendroica xstiva xstiva (Gmelin). 

 Geothlypis xquinoctialis cucullata (Latham). 

 Setophaga ruticilla (Linneus). 



Family Tanagridx. 

 Thraupis bonariensis (Gmelin). 



Family Ploceidx. 



Hyphantornis capensis olivaceus (Hahn). 

 Hyphantornis rubiginosus (Ruppell). 

 Hyphantornis nigriceps nigriceps Layard. 

 Hyphantornis jacksoni (Shelley). 

 Hyphantornis vitellinus uluensis Neumann. 

 Sycobrotus gregalis (Lichtenstein). 

 Euplectes xanthomelas Ruppell. 

 Pyromelana diademata (Finsch et Reichenow). 

 Pytelia melba melba (Linneus). 

 Granatina granatina (Linneus). 

 Sporopipes squamifrons sqtiamifrons (A. Smith). 

 Dinemellia dinemelli (Ruppell). 

 Philetairus socius socius (Latham). 

 Tetrxnura regia (Linneus). 



Family Bubalornithidx. 

 Bubalornis niger intermedius (Cabanis). 



Family Icteridx. 



Agelaioides badius badius (Vieillot). 

 Molothrus rufo-axillaris Cassin. 

 Icterus cucullatus sennetti Ridgway. 



