. Shells and sea-life. Figure 41. markings on it, which make it look like a camp ofsoldiers; and so it is called the Tent-shell. In the sand and gravel along the coast you maysometimes find other interesting shells, thoughthey seldom live in groups, like the olives. Oneof the prettiest is shown in Figure 41, and iscalled the Red-lined Sand-shell. The shells arepure white within, and on the outside there arestripes of light red, like the rays which come upfrom a fine sunset. A GROUP OF SAND-DWELLERS. 89 There are also very many lines of lines are markings, showing the shape andsize
. Shells and sea-life. Figure 41. markings on it, which make it look like a camp ofsoldiers; and so it is called the Tent-shell. In the sand and gravel along the coast you maysometimes find other interesting shells, thoughthey seldom live in groups, like the olives. Oneof the prettiest is shown in Figure 41, and iscalled the Red-lined Sand-shell. The shells arepure white within, and on the outside there arestripes of light red, like the rays which come upfrom a fine sunset. A GROUP OF SAND-DWELLERS. 89 There are also very many lines of lines are markings, showing the shape andsize of the shell at all the stages of its can see some of these lines in the Figure 42. The last one marks the outline of the shell; thenas you go upward they are nearly the same shape,but grow smaller and smaller, till they meet atthe point of the shell which is called the umbo. In this way the simple story of the moUuskslife is written on the outside of its shell. Some-times a valve gets injured while the mollusk isalive. If the damage is not too great, he bravelygoes to work to repair it, and since he works 90 WESTERN SERIES OF READERS. within, you can see onthe outside just wherethe break has beenmended. Another Sand-shell is shown in Figure 42. This one is pure white, and has no red lines *^^g^^-^ ^- like the last. The shell is very thin, too, but the lines of growth are quite clearly shown. There are many others, quite similar in shape
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusk, bookyear1901
