PLATE CXI. 
GYGADELLA JURASSICA, WAN .o--ccsecicccccencsctccstiee ors ciessonnern denote ace reece 399 
Views of the fragment No. 500.70 of the Museum of the University of 
Wyoming, supposed to form the apex of the trunk Nos. 500.78 and 
500.82. 
Fig. 1. View of the top. 
Fig. 2. View of the lower side as broken, showing the internal structure. 
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