FEET OF HESPERORNIS. 103 



Measurements. {Hesperomis gracilis, No. 1478.) 



Length of first phalanx, . 41.0 ram 



Vertical diameter of proximal articulation, 17.0 



Transverse diameter of proximal articulation, 15.0 



Greatest diameter of shaft, 20.0 



Least transverse diameter of shaft, 12.5 



Least vertical diameter of shaft, 10.0 



Transverse diameter of distal articulation, 14.0 



Vertical diameter of distal articulation, 15.0 



Diameter of " peg " in distal articulation, 6.5 



Measurements of Second Phalanx. {Hesperomis regalis, No. 1200.) 



Length of second phalanx, , 39.5" 



Greatest diameter at proximal end, 16.5 



Least diameter at proximal end,. 13.0 



Transverse diameter of proximal articular face, 13.0 



Vertical diameter of proximal articular face, 13.0 



Least diameter of shaft, 12.0 



Greatest diameter at distal end, 15.0 



Maximum diameter of distal articular face, . 14.0 



Transverse diameter of " peg " in distal articular face, 4.6 



Measurements. (No. 1206.) 



Length of second phalanx, 40.0" 



Greatest diameter of proximal end, 16.5 



Least diameter of proximal end, 13.5 



Transverse diameter of proximal articular face, . 14.0 



Vertical diameter of proximal articular face, 15.0 



Least diameter of shaft, 8.0 



Least fore and aft diameter of shaft, 12.0 



Greatest diameter of distal end, ... — 15.0 



Greatest diameter of distal articular face, 14.0 



Diameter of " peg " in distal articular face, 4.5 



Measurements of Second Phalanx. {Hesperomis crassipes, No. 1474.) 



Length of second phalanx, SS.0" 



Greatest diameter at proximal end, 1 7.0 



Least diameter at proximal end, 13.0 



Transverse diameter of proximal articular face, 12.5 



Vertical diameter of proximal articular face, 14.5 



Least fore and aft diameter of shaft, 12.0 



Least diameter of shaft, at distal end, - 14.0 



