Vol. 55-] 



THE WEALDEN BEDS OF ANSTY LANE. 



417 



Colymhus is the only existing bird to which the fossil makes any 

 approximation ; but the resembJance is distant, and is not suggestive 

 of near affinity. It is interesting that the Cretaceous birds show 

 so marked an affinity with that type. 



The resemblances of the dinosaurian and crocodilian femora 

 with this type are such that almost every individual feature of the 



Left femur ofhird(?): distal end^ twice nat. size. 



i 

 \ 



"^^^ 



r 



f B. Seeley del. ^ 



A = Posterior aspect ; B = Anterior aspect ; = Distal articular surface ; 

 D = External aspect ; E = Internal aspect. 



bone can be paralleled in some fossil referable to those groups. 

 No British dinosaurs, however, are known of such small size, or 

 with the shaft of the bone so compressed, with the condyles at 

 once so well rounded and limited to the inferior surface. Nor am I 

 aware of a dinosaur in which the shaft of the bone widens externally 

 in harmony with the condyle produced distally. Even in Hypsi- 

 Q. J. G. S. No. 219. 2e 



