AORTIC ARCHES OF BIRDS — GLENNY 



607 



Family Icteridae 



Type A coracoid artery; types 3 and 4 thoracic artery; ligamentum 

 aortae much reduced or absent; vertebrals and superficial cervicals 

 arise as branches of a common root from the common carotids; 

 ascending oesophageal artery arises as a branch of the right common 

 carotid artery. 



Species studied 



By Garrod 



Cassicus persictis = Cacicus vitellinus 



Lawrence 

 Agelaeus ludovicianus = ISturnella magna 



(Linn6) 

 Icterus abeillei (Lesson) 

 Molothrus bonariensis = Molothrus bona- 



rieiisis atronitens (Cabanis) 



By Glenny 



Xanthornus angustifrons (Spix) 

 Molothrus ater (Boddaert) 

 Ptiloxena atroviolacea (d'Orbigny) 

 Icterus galbula (Linn^) 

 Icterus dominicensis (Linn^) 

 Agelaius phoeniceus (Linn6) 



Family Tersinidae 

 No information available. 



Family Thraupidae 



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

 somewhat reduced or lacking; vertebrals and superficial cervicals 

 arise as branches from a common root from the common carotids; 

 ascending oesophageal ai'tery arises as a branch of the right common 

 carotid artery. 



Species studied 



By Garrod 



Euphonia violacea= Tanagra violacea 



(Linne) 

 Tanagra cana= Thraupis episcopus cana 



(Swainson) 

 Cissopis leveriana (Gmelin) 



By Glenny 



Calospiza chrysophrys (Sclater) 

 Calospiza arthus (Lesson) 



Calospiza gyrola (Linn^) 



Compsocoma flavinucha (Lafresnaye and 



d'Orbigny) 

 Thraupis episcopus (Linn^) 

 Thraupis palmarum (Wied) 

 Thraupis cyanocephala (Lafresnaye and 



d'Orbigny) 

 Ramphocelus carbo (Pallas) 

 Ramphocelus dimidiatus isthmicus Ridg- 



way 

 Tachyphonus rufus (Boddaert) 



Family Catamblyrhynchidae 

 No information available. 



Family Fringillidae 



Type A coracoid artery; type 3 thoracic artery, but type 4 may also 

 be present occasionally; ligamentum aortae usually present; liga- 

 mentum botalli rarely present; vertebrals and superficial cervicals 

 arise from a common root from the common carotid arteries; ascend- 



