524 PROCEEDINGS OF THE NATIONAL MUSEUM vol. los 



The question as to whether Rophalis and Neurorthus are generically 

 distinct is discussed under Neurorthus (p. 521). 



A fossil fragment of the apical portion of a wing from the Oligocene 

 (Gurnet Bay, Isle of Wight) has been identified as possibly belonging 

 to the genus Sisyra (?) (disrupta) by Cockerell (1917, p. 381). This 

 specimen, which is in the British Museum, was not examined for this 

 study. 



References 



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