PATAGONIAN EXPEDITIONS : PALEONTOLOGY. 



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EXPLANATION OF PLATE XV. 



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Proeutatus robustus ? : Pelvis, left side 55 



rear end. 



Proeutatus robustus: Left femur, front (No. 15,389) ... 56 



Left tibia and fibula, front (No. 15,389) . 57 

 '' '' Left calcaneum, dorsal side (No. 15,389). 



'' '' Left astragalus, dorsal side (No. 15,389) . 57 



Proeutatus lagena : Right femur, lacking great trochanter (No. 15,553) 66 



Left tibia and fibula, front (No. 15,553) . . 66 

 All figures natural size. 



(vol. v) 



