DESCRIPTIVE CATALOGUE 



OF 



BRITISH CHITONES, 



By G. B. SOWERBY, Jun. 



While engaged in preparing a Catalogue of the 

 genus Chiton for publication, with these illustrations, 

 my attention has been directed to the confusion, pre- 

 vailing among authors and collectors, respecting the 

 British species. It having consequently occurred to 

 me that effectual service would be rendered to science 

 by determining the nomenclature and synonymes 

 of this section, I have procured specimens from the 

 principal cabinets, through the kindness of their 

 possessors, and compared them carefully with the 

 published figures and descriptions. The following 

 result is presented in a separate form, for the conve- 

 nience of those collectors whose attention is confined 

 to species found on our own coasts. 



Sp, 1. Ch. FASCICULARIS. 



Descr, Shell elongated, depressed; valves sub- 

 triangular, coarsely granulated at the sides; with 



