PATAGONIAN EXPEDITIONS : PALAEONTOLOGY. 
PAGE. 
Fig. 12. Microbiotherium tehuelchum : Right humerus, anterior aspect 
(No. 15,038). The part restored 
in plaster is indicated by the 
oblique hachure . . . 41 1 
All the figures, except Fig. 11, are three times the natural size. 
(VOL. IV.) 
