. Elementary text-book of zoology. Zoology. FIG. 277.—Pilidium (after E. Metschnikoff). «, free swimming larva with invaginated cavity ; b, later stage, helmet-shaped; E, E1 the two pairs of ectodermal invaginations; D, alimentary canal. The Pilidium larva is helmet-shaped, and was formerly described as the species of a supposed independent genus, Pilidium, and presents many analogies to the Echinoderm larva. In the case of the Pilidium, the R Am D. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appear
. Elementary text-book of zoology. Zoology. FIG. 277.—Pilidium (after E. Metschnikoff). «, free swimming larva with invaginated cavity ; b, later stage, helmet-shaped; E, E1 the two pairs of ectodermal invaginations; D, alimentary canal. The Pilidium larva is helmet-shaped, and was formerly described as the species of a supposed independent genus, Pilidium, and presents many analogies to the Echinoderm larva. In the case of the Pilidium, the R Am D. 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 Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan
Size: 1420px × 1761px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
