22 THE HALL OF SHELLS. 



At tbis up sped a white wave from the 

 sea. It caught the little ruffled and frilled 

 wraith of the shell, and with a single sweep 

 drew her into its darkest depths, out of sight 

 forever. 



A limpet, Patella vulgata, with its dome- 

 like house, is shown in our engraving, in which 

 are also the sea snails and the razor-shell. 



The illustration of the Palmer or Pilgrim 

 shows the manner in which scallop shells were 

 worn as badges of a holy knighthood. An 

 empty St. James's shell — Pecten Jacohceus — 

 lies in the left foreground of the picture, while 

 in the right is a shell with its living inmate, 

 displaying the delicate fringelike tentacles as 

 seen playing lightly in the water when the 

 valves of the shell are slightly opened. 



Between these lies a Fusus or spindle shell, 

 well named — long, slender, thin-lipped, and 

 without varices. 



Upon each side are arranged several species 

 of Set'pula, which look like little stone ser- 

 pents with their plumed and crimson crests. 

 Annelids they are, their shelly, twisted tubes 

 twining round and fastening themselves upon 

 shells, stones, and other sxibmarine objects, 

 sometimes completely covering them. The 

 dwellers in these calcareous, contorted tubes 



