AORTIC ARCHES OF BIRDS — GLENNY 



571 



References: Beddard, 1898; Garrod, 1873; Glenny, 1947c, 1948, 

 1952a, 1952b; Hafferl, 1921. 



Family Jacanidae 



Ligamentum botalli reduced to a linea botalli or may be entirely 

 lacking; vertebrals and cervicals generally arise separately from the 



cfc. 



Figure 116. — Main cervical and thoracic arteries in Jacana spinosa, ventral view. (For 

 explanation of symbols see p. 551.) 



common carotid; an accessory oesophageal artery arises as a branch 

 of the left common carotid artery. 



Species studied 



Jacana spinosa intermedia (Sclater) 



By Glenny 



Adophilornis africana (Gmelin) 

 Hydrophasianus chirurgus (Scopoli) 

 Jacana spinosa gymnostoma (Wagler) 

 (2) 



By Garrod 



Parra africana = Actophilornis africana 

 (Gmelin) 



Family Rostratulidae 



Ligamentum botalli is reduced to a linea botalli or completely 

 lacking and vertebrals and superficial cervicals arise separately in 

 Rostratvla benghalensis. 



