FEET OF HESPERORNIS. 109 



The following are the principal dimensions of the phalanges of the 

 hallux in Hesperornis regalis : 



Measurements of First .Phalanx of First Digit. {Hesperornis regalis, No. 1476.) 



Least transverse diameter of first phalanx, 6.0 n 



Vertical diameter of shaft, 3.0 



Transverse diameter of distal articulation, 6.0 



Vertical diameter of distal articulation, 2.0 



Measurements of Second Phalanx. (No. 1476.) 



Length of second phalanx, 14. K 



Transverse diameter of proximal end, _ 7.0 



Vertical diameter of proximal end, 3.0 



Greatest transverse diameter, 7.6 





