"Have they mouths?
and do you know what they eat ?" "Yes, they have mouths and they live on seaweed, eating it by means of a long ribbon-like tongue covered with rows of hard teeth; the common limpet--which, as I have told you, lives on the British coast--has no fewer than one hundred and sixty rows, twelve teeth in a row.

How many does that make, Max ?" "Nineteen hundred and twenty," answered the lad after a moment's thought.
"Right," said his father.

"The tongue when not in use, lies folded deep in the interior of the limpet." "Are their shells pretty, papa ?" Lulu asked.
"Those of some of the limpets of warmer climates are very beautiful," he answered; "large too.

I have seen them on the western coast of South America, a foot wide; so large that they are often used as basins." "Oh I'd like to have one!" she exclaimed.

"Is it for their shells people try to pull them off the rocks ?" "It may be so in some instances, but the limpet is used for food and also as bait, by the fisherman.
"Try, my children, to remember what I have been telling you about it; but most of all let your thoughts dwell upon the lesson to be drawn from its close clinging to the rock.
"God is often spoken of in the Scriptures as his people's rock, because he is their strength, their refuge, their asylum, as the rocks were in those places whither the children of Israel retired in case of an unexpected attack from their foes.
"David says; 'The Lord is my rock and my fortress....