214 J)r. Maton's and Mr. Uackett's 



Turbo, and arranging all the depressed species of the former with- 

 out regard to the shape of the aperture. A new genus {l^ermiculum) 

 is introduced for the purpose of containing such of the Serpula as 

 do not agree with the generic character of being fixed to other 

 bodies. The whole of the work is in the English language ; so 

 that the author cannot be said to have employed the Linnean 

 terminology (strictly so called) or the Linnean mode of descrip- 

 tion ; but this is a circumstance which will not be regretted bj 

 ordinary readers. 



N. B. In the following Systematical enumeration of Testaceological writers, and of 

 their works, the numhers annexed to the names of the former refer to the pages in the 

 preceding account wherein these writers arc respectively mentioned. 



SYLLABUS 



