EXPLANATION OF PLATES. 

 Plate 26. 



Skull of BrachycJiampsa montana. Cat. No. 5032. Amer. Mus. Nat. Hist. Type- 

 specimen. Superior view of the anterior part of the skull. Natural size. 



e.na., external nares; /r., frontal; ju., jugal; vix., maxillary; n., nasal; o., orbit; 

 f. mx., premaxillary. 



Plate 27. 



Skull of Bracychampsa montana. Cat. No. 5032. Amer. Mus. Nat. Hist. Type- 

 specimen. Inferior view of the anterior part of the skull. Natural size. 



a. p. v., anterior palatine vacuity; ju., jugal; mx., maxillary; p., palatines; p. mx., 

 premaxillary; t. p., transpalatines. 

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