. Dwellers of the sea and shore. Marine animals. Curious Creatures 213 same thing. These odd creatures are also very beau- tiful; their variegated colors and conspicuous corollate gills give them the appearance of delicate flowers. A constant circulation of the surrounding water is caused by the cilia on the gill filaments, and these currents pro- duce a vortex that brings oxygen to the gills, and small organisms into its mouth. Serpula, departing from the. THE MASON WORM. methods of the tube-building mason worm, which con- structs its house of agglutinated shell and mineral frag- ments, and t
. Dwellers of the sea and shore. Marine animals. Curious Creatures 213 same thing. These odd creatures are also very beau- tiful; their variegated colors and conspicuous corollate gills give them the appearance of delicate flowers. A constant circulation of the surrounding water is caused by the cilia on the gill filaments, and these currents pro- duce a vortex that brings oxygen to the gills, and small organisms into its mouth. Serpula, departing from the. THE MASON WORM. methods of the tube-building mason worm, which con- structs its house of agglutinated shell and mineral frag- ments, and the comb worm, which cements grains of sand together in mosaic fashion to make its free cone- shaped shelter, manufactures its ow^n materials. The structure is a frail tenement, but one of imposing excel- lence. It is a calcareous tube, winding about over small stones or dead shells, and is, by some mysterious chem- istry of the worm's body, converted from the com- pounds of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Crowder, William, 1882-. New York, The Macmillan Company
Size: 1775px × 1407px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookpublishernewyorkt, booksubjectmarineanimals
