. Homes without hands : being a description of the habitations of animals, classed according to their principle of construction . Animals. THE PIDDOCK. 119 The Pholas burrows to a considerable depth, and if a piece of the rock be detached and broken to pieces by the hammer, it will be seen to be completely riddled with the perforations. Oha;lk- rock is mostly the richest in specimens, but even the hard lime- stone fofmations are penetrable by the fragile shell of the Pholas. It has been well remarked that the size of the Pholas and the. Pholaa in Wood. Lithodomus. Bazor Shell. Pholas in Bock.
. Homes without hands : being a description of the habitations of animals, classed according to their principle of construction . Animals. THE PIDDOCK. 119 The Pholas burrows to a considerable depth, and if a piece of the rock be detached and broken to pieces by the hammer, it will be seen to be completely riddled with the perforations. Oha;lk- rock is mostly the richest in specimens, but even the hard lime- stone fofmations are penetrable by the fragile shell of the Pholas. It has been well remarked that the size of the Pholas and the. Pholaa in Wood. Lithodomus. Bazor Shell. Pholas in Bock. sharpness of its markings vary in inverse ratio to the hardness of the rock in which it burrows. From the softest sea-beds are taken the largest and most perfect shells, while those specimens which are obtained from the hard limestone rocks are compara- tively small, and the surfaces are rubbed nearly smooth. The very worst examples, however, are those which are found in grit- ty rocks, interspersed with pebbles. The shells that have bur-. 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 Wood, J. G. (John George), 1827-1889; Keyl, Friedrich Wilhelm, 1823-1871; Smith, E. A. (Edward Alfred); Pearson, G. (George). New York : Harper & Brothers
Size: 1582px × 1579px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorwo, bookcentury1800, bookdecade1860, booksubjectanimals
