249a (248a).    Prepectus reduced or fused (Fig.A), not readily apparent, of if so, not triangular in

 outline (Fig.A). ..................................................................................................................….............. 250

 

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                                                                 A

 

 

249b.    Prepectus in the form of a triangular plate (Fig.A).............................................................……......... 252

 

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                                              A