29C 
MI ALL : COXES OF CT EXODUS. 
specimen were found in something like their original position 
with respect to these centra/" 
Bibs. The long, cylindrical and strongly curved ribs of 
Ctenodus are well known. I can add nothing- to the descriptions 
already accessible. 
Shoulder-gvrdle. The three parts seen in Ceratodus and 
Dipterus seem to correspond fairly well with the Ctenodus-bones 
here figured, but I have nowhere found the bones in situ, nor have 
Fig. 10. — Ctenodus. Scapula, x |. 
lapped by the operculum. The scapula (" clavicle ") had probably 
* Nat. Hist. Trans. N. and D., Vol. iv, p. 4 IS. 
