. The animal creation: a popular introduction to zoology. Zoology. FlG. 225.—FISSURELLA RETICULATA. semble the common Limpets of our coast, and in like manner are provided with a plain conical shell, Avithout any spire, which spreads over the middle of their back. They differ from the Limpets, however, in having the shell perforated at its apex for the purpose of admitting the water into a branchial chamber in which pectinated gills are lodged. Order Tectibranchiata. ^ The Grasteropods belonging to this order have their branchias arranged along the right side of the body, or on the back ; they


. The animal creation: a popular introduction to zoology. Zoology. FlG. 225.—FISSURELLA RETICULATA. semble the common Limpets of our coast, and in like manner are provided with a plain conical shell, Avithout any spire, which spreads over the middle of their back. They differ from the Limpets, however, in having the shell perforated at its apex for the purpose of admitting the water into a branchial chamber in which pectinated gills are lodged. Order Tectibranchiata. ^ The Grasteropods belonging to this order have their branchias arranged along the right side of the body, or on the back ; they are always in the form of leaflets more or less divided, but not symmetrical: they are protected by a sort of roof, formed by a prolongation of the mantle. These animals are for the most part naked slugs; but some have a small shell concealed in the mantle, and others have a conspicuous one of considerable size: we select as an example of this order * Tectus, covered; branchise, gills— 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 Jones, Thomas Rymer, 1810-1880. London : Society for Promoting Knowledge


Size: 1293px × 1932px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology