198 



THE RED-LINED CLAM. 



Sangiiinolaria Nuttalli, Conr., San-guin-o-la'-ri-a 

 Nut-tall'-i. Shell thin, oval, flat on the right side, 

 but bulged on the left. Ligament large and external, 

 hinge- teeth small, sinus very large and acute. The 

 color of this beautiful shell is white and lilac, some- 

 what rayed, but the coloring is partly concealed by a 

 brown epidermis. It is a southern shell, two inches 

 or more in length. 



While returning one morning from a ramble over 

 the rocks which had been left bare by the fall of the 



Fig 170. 



tide, I was much surprised to see what seemed to be 

 two white worms moving about in a little hollow 

 between two mossy rocks, which was filled with sand 

 and water. They were round and long, and about 

 the size of a lead pencil. As soon as I disturbed 

 them a little, they quickly disappeared beneath the 

 surface of the wet sand. Suspecting what these 

 singular creatures might belong to, I at once began 

 to dig, and soon came upon a fine sand-clam, with a 

 shell like that shown in Fig. 170. I was exceed- 

 ingly glad to make the acquaintance of a real, live 



