the Shoulder-girdle of a Plesiosuur. 



341 



tlic inner end of which must liave been separated by a con- 

 siderable interval tioin its lellow ot" llie opposite side, and liad 

 not yet commenced to grow back towards the coracoids, so 

 that the coraco-seapnlar foramina were widely open to one 

 another in the midiile line. Of the tliin anterior portion 



riir. 3. 



rv 



\ 



I Ji 



A. — Riplit liiilf of an iimnatiire slioulder-girdle of Cryplodidm nxoincusts, 



from above. About ! uat. size. 

 I). — Left half of a younger s])eLiineri of the siuue, from above. About 



\ iiat. size, c, clavicle. 



supporting the clavicles only a very small part near the outer 

 border is yet developed, so that the whole of the clavicle 

 except a small portion of the outer limb would be visible 

 from below. As in the adult, the clavicles met in the middle 

 line. 



