. Guide leaflet. ^ereis) appears to be attacking anopal worm. At the upper right a trumpet-wormmodel IS shown, surrounded by the sand grainsthat it has built into a home. The center rectangleshows a model of the headof a beak thrower, pic-tured also in the circlethrowing its beak. Be-low at the left the head of anopal worm is shown, gleam-ing with iridescent tracks shown crossingthe ripple marks in the bot-tom picture have been madeby black mud-snails. Photograph by M. C. Dirkerson 10 NATURAL HISTORY delicate layer of transparent eggs, eachlike a tiny bead of jelly, all closely set to
. Guide leaflet. ^ereis) appears to be attacking anopal worm. At the upper right a trumpet-wormmodel IS shown, surrounded by the sand grainsthat it has built into a home. The center rectangleshows a model of the headof a beak thrower, pic-tured also in the circlethrowing its beak. Be-low at the left the head of anopal worm is shown, gleam-ing with iridescent tracks shown crossingthe ripple marks in the bot-tom picture have been madeby black mud-snails. Photograph by M. C. Dirkerson 10 NATURAL HISTORY delicate layer of transparent eggs, eachlike a tiny bead of jelly, all closely set to-gether in a finely wrought mosaic. As thecollar dries in the sun, it becomes so fragilethat it crumbles to sand in our fingers. We now turn our attention to the snailitself and see that it is rapidly creepingthrough the shallow water toward a groupof little flattened sticks standing up fromthe sand at an abrupt angle. The snailseems much interested in them. As weexamine them with attention we see thattheir sides are formed of two long, narrow,slightly curving shells which somewhatsuggest the size and shape of the old-fashioned razor handle. We recognizethe razor-shell clam (Ensis directus).The shells stand half-buried in the sand,showing the ends of their short siphon-tubes at the top bordered with fringelikepapillae. Apparently they are awareeither of us or of the approaching snail,for suddenly first one, then another,shoots do\\Ti into the sand until
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
