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SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 87 



ing very near to head and forming an abrupt right angle with the 

 neck, the neck being appreciably shortened ; obturator ridge strong 

 and prominent ; trochanteric ridge well developed ; a strong, sharply 

 ridged linea aspera from below the head down the posterior (lower) 

 surface of the shaft, becoming flattened and disappearing after trav- 

 ersing about three fourths of the length; a nutrient foramen near its 



Figs. 5-8. — Four views of the type of Chen prcssa, 

 natural size. The smaller drawings represent the 

 proximal and distal ends respectively. 



lower end on the posterior face of the shaft ; another linea aspera. 

 less elevated, but strongly marked, on anterior surface extending 

 down from the trochanteric ridge for about two thirds the length ; 

 shaft strong, straight, somewhat swollen at either end, cylindrical in 

 the center and flattened slightly anteroposteriorly at proximal and 

 distal extremities ; fibular condyle well developed (external surface 

 partly broken away) with a flattened fibular groove; external condyle 

 strongly ridged ; internal condyle heavily sculptured, flattened on 

 articular surface, rising abruptly from the popliteal area ; inter- 



