. Animal studies. MOLLUSKS 93 the bottom of its burrow, it extends its slender siphons up the tube and out of the entrance for its food supply. Often hundreds of individuals enter the same piece of wood, which becomes thoroughly riddled within a short. Fig. 52.—The piddock (Zirphcea crispata), a rock-boring niollu from life. time, and though giving no outward sign of weakness may collapse with its own weight. Incalculable damage is thus rendered to the shipping interests, and in consequence much has been done to check their ravages, but they are fai from being completely overcome. 87. Other st
. Animal studies. MOLLUSKS 93 the bottom of its burrow, it extends its slender siphons up the tube and out of the entrance for its food supply. Often hundreds of individuals enter the same piece of wood, which becomes thoroughly riddled within a short. Fig. 52.—The piddock (Zirphcea crispata), a rock-boring niollu from life. time, and though giving no outward sign of weakness may collapse with its own weight. Incalculable damage is thus rendered to the shipping interests, and in consequence much has been done to check their ravages, but they are fai from being completely overcome. 87. Other stationary species.—A large number of other species, while small and inconspicuous, are also free to. 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 Jordan, David Starr, 1851-1931; Kellogg, Vernon L. [from old catalog].
Size: 1577px × 1584px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorjordanda, bookcentury1900, bookdecade1900, bookyear1903
