22 



WESTERN SERIES OF READERS. 



like Figure 8 

 others like Figure 



Shield Limpet, — and still 

 in which the point of the 

 shell is almost at one end. 

 like the nose of a mask, and 

 it is therefore called thf 

 Figure?. Mask Limpet. 



All of these are of a dark color on the outside 

 and lighter within, but there is one 

 tent, that you will be 

 very likely to find, that 

 is pure white all over. 

 It is a round shell, like 

 Figure 10, and looks 

 like a little snowclad ^^"^"^ 



peak of a mountain. It is often called the White 

 Cap, and its Latin name is Acmaea mitra. 



Inside the shells of all the lim- 

 pets there are sometimes curious 

 markings, which show where 

 Figure 9. the flcsh of the mollusk was at- 



tached to the hard covering. Sometimes these 

 markings greatly resemble the outline of a horned 

 owl, as is shown in Figure 11, — - 

 the Great Owl Shell. It is the 

 largest of all of our limpets, and 

 is frequently found as big as the 

 bowl of a kitchen spoon- Figure lo. 



