PLATE XXII. 



One-fifth natural size. 



Fig. 1. Side view of the pelvis of the Megatherium. 

 Fig. 2. The acetabulum. 



The letters and ciphers are explained in the text. 



Drawn, by permission of the President and Council, from the specimen presented by 

 Sir WooDBDJB Pakish. K.H., F.K.S.. to the Museum of the Royal College of Surgeons 

 of England. 



