BY R. J. TILL YARD. 



8K1 



Text-fig. 1. 

 Venations of tegmina of recent Cercopidae , Membracidae andjassidae. 

 a, Philagra sp. (Cercopidae) from Mount Tambourine. Q. b, Ser- 

 torius sp. (Membracidae) from Jervis Bay, N.S.W. r, Eurymela 

 sp. (Jassidae) from Gosford, N.S.W. For lettering see p. 895. 



any of our fossils, we may decide that they are not members of 

 this family. 



The Jassidae and Membracidae are very closely allied. The 

 two families probably arose from a common stem, the Mem- 



