PLATE VI. 



(I) 



(2) 



(3) 



LEFT Ears of (i) Common Shrew (5 times life-size) ; (2) Pygmy Shrew (7 times hfe-size); 

 and (3) Water Shrew (4 times life-size), the latter with tuft of white hair on superior 

 valve («). The lobes for closing the ear are marked— «, superior ; h, antitragial ; and 

 c, small tragial. 



