I 



22 WHELK. 



appearance of the limpet as it is generally seen 

 on the rocks; 3 h represents the under-surfiice 

 of the same object, and shows the animal itself. 

 The limpet may easily be thus seen, if it is 

 placed in a vessel of sea-water with flat glass 

 sides, for it soon crawls up the side, and so 

 exhibits itself very perfectly. 



The Common Whelk (Buccinum undatum) is 

 another shell that is sure to be found on the 

 sands. This is so well known a shell that no 

 particular description is here necessary, but 

 mention will be made of it on a succeeding page. 



COWRY. WHELK 



The little shell, figured on the left side of the 

 whelk^ is one of the cowries, of which there are 

 almost innumerable varieties. Some of them, 

 found in the tropical seas, are of very large size, 

 while others are much smaller than the specimen 

 represented. One species of this shell is used as 



