PLATE XX. 



SCAPULA AND CORACOID AND PREDENTARY BONE OF MONOCLONIUS 



DAWSQNI 1 LAMBE. 



LEFT SCAPULA AND CORACOID. 



(See p. 90.) 



After the original by Lambe. 



(Provisionally associated with Monodonius dawsoni Lambe. - ) 



Specimen No. 506, Canadian Geological Survey collection. 

 Fig. 1. Internal view. 



One-fourth natural size. 



PREDENTARY BONE. 



(Seep. 91.) 



After the originals by Lambe. 



(Provisionally associated with Monodonius dawsoni.) 



Specimen in the Canadian Geological Survey collection 

 Fig. 2. Left lateral view. 

 Fig. 3. Superior view. 

 Natural size. 



a, Suture between scapula and coracoid; 6, upper border; c, coracoid; e, groove for dent ary; 

 ;/, glenoid fossa; s, scapula. 



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