. Guide leaflet. ntil it seems impossible that so muchanimal could be packed so tightly withinthe spire of the shell. Now it begins totravel forward, pushing before it an apron-like flap, above which waves a pair ofantennae, each with an eye-spot at its base. As the creature slowly progresses, atransparent, jelly-like ribbon emergesfrom under the right side of the apron andis slowly pushed around the lower marginof the shell, where it is overlapped of the broad, fleshy body. Soon itcompletely surrounds the shell like aborder. The snail continues to creepforward and leaves the transpar
. Guide leaflet. ntil it seems impossible that so muchanimal could be packed so tightly withinthe spire of the shell. Now it begins totravel forward, pushing before it an apron-like flap, above which waves a pair ofantennae, each with an eye-spot at its base. As the creature slowly progresses, atransparent, jelly-like ribbon emergesfrom under the right side of the apron andis slowly pushed around the lower marginof the shell, where it is overlapped of the broad, fleshy body. Soon itcompletely surrounds the shell like aborder. The snail continues to creepforward and leaves the transparent ribbonbehind it on the sandy sea-floor. Thesand washes against it and sticks to pick it up and find it is a delicate littlecollar-shaped arrangement, open in frontand slightly ruflfled at the lower sand which has stuck to the outersurface covers it in a single layer, givingit an appearance of fine sandpaper. If weexamine the under side with a hand lens,we find that it is entirely lined with a. Tidal Water andMarsh Grass In settings such as the oneshown at the top of thepage, fiddler crabs dig burrows among the grass sectional view^ above at the right shows afiddler-crab burrow, together with a starfish pre-paring to feed on an oyster. Marvelously adornedseawornis dig in the mud, as well. In the circlethe ornate worm (Aynphitrite ornata) spreads itsdelicate tentacles; in the center rectangle a fringedworm {Cirratulus grandis) extends its threadlikefilaments; at the left is pictured the head of aplumed worm (Dio^atra cuprea). Except for theview at the top, these photographs are of modelsat the American Museum A Ripple-MarkedMud Flat Prolitic sea worms make their homes and di^ theirsubways in the tide-washed mud. In the circle,a clam worm {}^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 thro
Size: 1256px × 1991px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
