MULL : BONES OF CTENODUS. 
297 
a loose ligamentous union with the supra-scapula by the superior 
extremity, while it was firmly united to the third and inferior 
Fig. 11. Ctexodus obliquus ? Coracoid. A, outer surface. B, inner 
surface. x j. 
element of the arch (coracoid or "infra clavicle ") in the neigh- 
bourhood of the glenoid cavity. Indications of this cavity are 
traceable in some specimens, but the bones are crushed, and give 
Fig. 12. — Ctenodus cristatus, or tuberculatum ? Coracoid ? 
no satisfactory details. The scapula and coracoid seem to have 
been joined at an obtuse angle, the opening of which looked in- 
wards and forwards, while the two coracoids were united along 
the middle line, meeting at an acute angle as seen in a transverse 
vertical section. 
