256 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



This is as follows : Lister's large groups being arranged 

 alphabetically aiul the minor groups under them systematically, and 

 nothing binomial in cither. 



" Pectunculi. 



riuviatiles ...... tab. 157-GO 



Marines. 

 Paribus testis. 



Polyleptogingiymi. 



Margine longa seu ex altera Parte productiore tab. 229-38," 

 etc. 



If this may be taken as validating a generic name, Pectunculus, in 

 the sense of binomial nomenclature, no one hereafter will dare mention 

 a pre-Linnean name in any publication without a specific disclaimer. 

 The above words, it must be remembered, are those of Lister and not 

 of Huddesford. 



