SENSE OF SMELL. 189 



prey are guided by sight instead of smell ? What do whale fishermen 

 say of birds in Greenland ? How does Mr. MacGilivray explain the 

 gathering together of so many birds over a dead carcase ? Have rep. 

 tiles any olfactory organs ? Can this sense be improved by education ? 

 What causes the singular antipathy t<f^ats, which we meet with in 

 some persons ? 



