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Some questions of anyone who has access to Confuciusornis specimens. 

Are ossified sternal ribs present? 

Can the absence of an opening in the pectoral crest of the humerus cited by
Martin et al 98 be confirmed? 

Can the lack of a strong jugal component of the postorbital bar cited by
Martin et al 98 be confirmed (a low set suture is not apparent in the skull
photographed in Feduccia 96 and this summer's National Geographic).