TESTICULAR ASYMMETRY AND SEX RATIO IN BIRDS. 2OI 



Family Furnariidx. 



Coryphistera alaudina alaudina Burmeister. 

 Phacettodomus rufifrons sincipitalis Cabanis. 

 Synallaxis superciliosa Cabanis. 

 Synallaxis albescens albescens Temminck. 



Family Tyrannidgs. 

 Txnioptera irupero (Vieillot). 

 Fluvicola albiventer (Spix). 



Euscarthmornis mar garitaceiv enter mar garitaceiv enter (d'Orbigny 



et Lafresnaye). 



Elsenia albiceps albiceps (d'Orbigny et Lafresnaye). 

 Empidagra suiriri (Vieillot). 

 Myiodynastes solitarius (Vieillot). 

 Pitangus sulphuratus bolivianus (Lafresnaye). 

 Tyrannus melancholicus melancholicus Vieillot. 

 Muscivora tyrannus (Linneus). 



Family Alaudidx. 

 Mirafra sabota Smith. 

 Mirafra africana transvaalensis (Hartert). 

 Eremopteryx leucopareia Fischer et Reichenow. 



Family Motacillidx. 

 Macronyx aurantiigula Reichenow. 

 Macronyx capensis (Linneus). 

 Anthus cafer (Sundeval). 

 Anthus leucophrys (Vieillot). 



Family Timeliidx. 

 Argya rubiginosa saturata Sharpe. 



Family Pycnonotidx. 

 Pycnonotus tricolor minor Heuglin. 



Family Muscicapidx. 

 Batis capensis (Linneus). 

 Alseonax adustus adustus (Boie). 

 Melxnornis ater pammelaina (Stanley). 

 Elminia longicauda teresita Antinori. 



