AORTIC ARCHES OF BIRDS — GLENNY 



599 



Family Hirundinidae 



Type A coracoid artery; type 3 thoracic artery; ligamentum aortae 

 usually present but reduced; vertebrals and superficial cervicals 

 usually arise as branches from a common root; an ascending oeso- 

 phageal artery arises as a branch from the right common carotid 

 artery. 



Species studied 



By Garrod 



Hirundo rustica Linn^ 



Chelidon urbica= Hirundo urbica Linn6 



By Glenny 



Progne subis (Linn6) 



Hirundo rustica erythrogaster Boddaert 



Phaeoprogne tapera (Linn6) 



No details available. 



Family Campephagidae 



Species studied 



By Garrod 



Graucalus macei Lesson 



Family Dicruridae 



Type A coracoid artery; type 3 thoracic artery; ligamentum aortae 

 present; vertebral and superficial cervical arteries have a common root 

 from the common carotid artery; the ascending oesophageal artery 

 arises as a branch of the right common carotid artery. 



Species studied 



By Garrod 

 Dicrurus leucops Wallace 



By Glenny 

 Dicrurus ater cathoecus (Swinhoe) 



Family Oriolidae 



Type A coracoid artery; types 1 to 4 thoracic artery; ligamentum 

 aortae present; vertebrals and superficial cervicals have a common 

 root from the common carotids; ascending oesophageal artery arises 

 as a branch of the right common carotid artery. 



Species studied 



By Garrod 



Oriolus sp. 



By Glenny 



Oriolus xanthornus Linn6 

 Oriolus chinensis diffusus Sharpe 



