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NEW YORK STATE MUSEUM 



cularity of its neural canal, the measurement for the latter being 

 taken over the middle of the centrum. 



Fig. 25 Right lateral view of a part of the axial skeleton of Circus h u d - 

 s o n i u s , showing the shoulder girdle, dorsal division of the vertebral cnhiiiin, the 

 sternum, pelvis, caudal vertebrae, and pygostyle. The parts are all in situ. This figure 

 shows well the posterior and detached portion of the pubic element of the pelvis. Same 

 specimen as figured in figures 19—22 and 24. Ribs of left side all removed. Life size 

 from nature 



Returning to the 14th vertebra, we find the tricornute hypa- 

 pophysis but little larger than we found it in the 13th, but an 



