File:On the structure and affinities of the "tabulate corals" of the Palaeozoic period. With critical descriptions of illustrative species, by H. Alleyne Nicholson (1879) (14761225521).jpg

Identifier: cu31924003859984 (find matches)
Title: On the structure and affinities of the "tabulate corals" of the Palaeozoic period. With critical descriptions of illustrative species, by H. Alleyne Nicholson
Year: 1879 (1870s)
Authors: Nicholson, Henry Alleyne, 1844-1899
Subjects: Corals, Fossil
Publisher: Edinburgh and London, William Blackwood and Sons
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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any dark spaces. Fig. 3. Upper and under surfaces of an exceedingly young specimen of Favo-sites Gothlandica, Lam., from the Wenlock Limestone of Dudley, of thenatural size. Fig. 4. Outline of part of the upper surface of the corallum of a specimen ofF. Gothlandica, var. favosa, Gold., from the Niagara Limestone of Mani-touhn Island, of the natural size; and a single corallite enlarged fourtimes to show the marginal depressions or plications of the tabula. Fig. 5. A few corallites of a specimen of F. Gothlandica, from the NiagaraGroup of Manitoulin Island, with well - developed septal spines (Astro-cerium of Hall), of the natural size, and one corallite enlarged four times. Fig. 6. Transverse section of Favosites Gothlandica, var. Billingsii, Rom., fromthe Hamilton Group of Arkona, Ontario, enlarged five times. Fig. 7. Transverse section of an adult example oi Favosites Forbesi, E. and H.,from the Wenlock Limestone of Stoke-Edith, enlarged five times. H. AUeyne Nicholson del, Plate.1,
Text Appearing After Image:
Cl-ei-ieaiilith. lv(in1emBro? inip. PLATE II. Fig. I. A young and nearly globular specimen of Favosites Forbcsi, E. and H., from the Wenlock Limestone of Dudley, of the natural size.Fig. I a. Upper portion of the vertical section of a similar specimen of the same species, from the Wenlock Limestone of Benthall Edge, enlarged five times.Fig. I h. Transverse section of another young example of the same species, from the Wenlock Limestone of Dudley, enlarged five times.Fig. 2. A young specimen of Favosites Forbcsi, E. and H., var. Waldronensis, Nich., from the Niagara Group of Waldron, Indiana, of the natural size.Fig. 2 a. Part of a tangential section of another young example of the same, from the same locality, enlarged five times.Fig. 2 b. Vertical section of the same species, enlarged five times.Fig. 3. Transverse section of Favosites Forbcsi, E. and H., var. Eifelensis, Nich., enlarged five times, showing the well-developed septa. H.Allevne Nicholson del. Plate. U.

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