PATAGONIAN EXPEDITIONS ! PALAEONTOLOGY. 
Fig. 9. SCALPELLUM JULIENSE Ortm. ...... 
Patagonian beds ; Darwin Station, San Julian. 
9 a. Back view of carina. 
9 b. Lateral view of the same. 
9 c. Cross-section near the apex of the same, enlarged. 
All of the figures, unless otherwise stated, are natural size. 
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