AM. JOUR. SCI., Vol. XVI, 1878. Plate VIII. 
Figure 1.—Left ilium of Morosaurus robustus Marsh ; ge view. 4. satin, 
or pubic, ~~ urface < — or ischiadic, rticular s 
Figure 2. a, anterior, or Puig articulation ; a 
Dosterior, or chine avtentation. Both oe tenth natural size, 
e 3,.—Che <= roc docus oe arsh ; a ane side views. 
os a tho b. rior process ; c. posterior process. 
Figure 4.—Chevron . aeareint individual ; letters the same as in figure 3. 
All the Piemed are one-tenth natura] size. 
eae encarnetiacnneininaicnioey 
