RALLI 



329 



unlike that of the typical rails. As in Fulica, the ilia are 

 widely separated by the fused neural spines of the dorsal 



Fig. 165. — Skull op Podica. Lateral View. (Afteb Beddabd.) 

 r 



vertebrae concerned ; but the ischia are broader and directed 

 more downwards (their position is, in fact, more primitive) 



Teia. 166 Skull or Heliornis. 



Ventkal and Lateral Views. 

 (Aftek Beddabd.) 



Fio. 167. — Skull of Podica. 

 Ventbal View. (After 

 Beddabd.) 



than in the rails, while the pubes are ankylosed at least at 

 one point with the ischia. 



There are a considerable number of extinct rails, many 

 of which were flightless, thus showing an exaggeration of a 



