GEN. AMPHIOXFS. LANCELOT. 345 



possessing a circular mouth, demonstrates the accu- 

 racy of those authors' views who associated the 

 Lancelot with the Pteromyzidae, a position which 

 many were of opinion its characters did not warrant. 

 The peculiarities of this singular fish having been 

 described at some length in the Introduction to our 

 first volume on British Fishes, and these being 

 afterwards further noticed in our Synopsis, it is un- 

 necessary to recapitulate them in this place. 



