40 



Mr. J. H. Gurney — Comparative 



It will be seen how many families are unrepresented 

 in the preceding list; for example, there are no Laniidce, 

 Loxiad<s, Motacillidce, Sylviince, Sturnida, Oriolidce, Paridae, 

 Picida, or Capitonidce, and no marine or diving-birds such as 

 PodicipedidcBf Alcidce, Cohjmbidce, Procellaruda, and Ster- 

 nin<B. Neither are there any Otididce, though Goldsmith 

 says that Great Bustards usually live 15 years, probably 



