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I.—The Structure of the Skin and Dermal Scales in the Tail of Acipenser ruthenus L.*

Published online by Cambridge University Press:  06 July 2012

Ian C. Smith
Affiliation:
Zoology Department, Glasgow University.

Synopsis

The general relationships of the caudal scales in Adpenser sturio and Acipenser ruthenus are considered together with a detailed description of the structure of the scales and corium in A. ruthenus, and a new staining method using purpurin counterstained with aniline blue for differentiating dermal structures in sections is described. A comparison of the caudal scales of sturgeons with those of palæoniscids indicates considerable agreement in form and arrangement between them. Evidence is presented to show that the caudal scales in sturgeons and palæoniscids are distinct from the general body covering of scales, and evidence points to a similar, though reduced, squamation in Lepidosteus and possibly in Polypterus. The importance of the caudal scales in protecting the internal organs in the epichordal lobe of the tail and the significance of the boundary between the body and caudal scales as a hinge for tail flexure is discussed.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1956

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Footnotes

*

This paper was assisted in publication by a grant from the Carnegie Trust for the Universities of Scotland.

References

References to Literature

Agassiz, L., 1840. “Observations sur la structure et la mode d'accroissement des écailles des poissons”, Ann. Sc. Nat. (Zool.), 2nd serie, 14, 97110.Google Scholar
Agassiz, L., 18331844. Récherches sur les poissons fossiles, I & II. Neuchâtel.CrossRefGoogle Scholar
Aldinger, H., 1937. “Permische Ganoidfische aus Ostgrönland”, Medd. om Greenland, 102, No. 3, 392.Google Scholar
Brough, J., 1936. “On the evolution of bony fishes during the Triassic period”, Biol. Rev. 11, 385.CrossRefGoogle Scholar
Egerton, P., 1858. “On Chondrosteus, an extinct genus of the Sturionidae”, Phil. Trans., 148, 871875.Google Scholar
Gebhardt, A., 1914. “Einige mechanische interessante Bindegewebsstrukturen”, Verh. Anat. Ges., 205222.Google Scholar
Gill, E. L., 1923. “The Permian fishes of the genus Acentrophorus”, Proc. Zool. Soc. Lond., 1, 19.CrossRefGoogle Scholar
Goodrich, E. S., 1907. “On the scales offish, living and extinct”, Proc. Zool. Soc. Lond., 1907, 2, 751774.CrossRefGoogle Scholar
Goodrich, E. S., 1909. “Vertebrata Craniata. I. Cyelostomesu and Fishes”, in Lankester's, Treatise on Zoology, IX. London.Google Scholar
Gross, W., 1935. “Histologische Studien am Aussenskelett fossiler Agnathen u. Fische”, Palaeontogr., 83, (Abt. A.), 1.Google Scholar
Hennig, E., 1925. “Chondrosteus hindenburgi Pomp, ein Stör des Württemberg. Oelschiefers”, Palaeontogr., 67, 115133.Google Scholar
Hertwig, O, 1876. “Uber das Hautskelet der Fische”, Morph. Jb., 2, 328395.Google Scholar
Kerr, J. G., 1907. “The development of Polypterus senegalus Cuv.”, in The Work of John Samuel Budgett. Cambridge.Google Scholar
Kerr, T., 1952. “The scales of primitive living Actinopterygians”, Proc. Zool. Soc. Lond., 122, pt. 1, 5578.CrossRefGoogle Scholar
Klaatsch, H., 1890. “Zur Morphologie der Fischenschuppen”, Morph. Jb., 16, 97202, 209–258.Google Scholar
Mandl, M., 1839. “Récherches sur la structure intime des écailles des poissons”, Ann. Sc. Nat. (Zool.), 2nd serie, 11, 337371.Google Scholar
Moy-Thomas, J. A., 1934. “The structure and aifinities of Tarassius problematicus Traquair”, Proc. Zool. Soc. Lond., 1934, 1, 367376.CrossRefGoogle Scholar
Moy-Thomas, J. A., 1939. Palœozoic Fishes. London.Google Scholar
Nickerson, W. S., 1893. “Development of the scales of Lepidosteus”, Bull. Mus. comp. Zool. Harv., 24, 115.Google Scholar
Rauther, M., 1929. “Echte Fische”, in Bronn's, Klassen u. Ordnungen des Tierreichs, 6, Abt. 1, Buch 2, Teil 1. Leipzig.Google Scholar
Romer, A. S., 1942. “Cartilage, an embryonic adaptation”, Amer. Nat., 76, 394404.CrossRefGoogle Scholar
Romer, A. S., 1945. Vertebrate Palœontology. Chicago.Google Scholar
Röse, C., 1898. “Uber die verschiedenen Abänderungen der Hartgewebe der neideren Wirbeltiere”, Anat. Anz., 14, 2131, 33–69.Google Scholar
Rosén, N., 1916. “Die Homologie der Fischschuppen”, Arkiv. Zool. 10, No. 7, 136.Google Scholar
Ryder, J. A., 1892. “On the mechanical genesis of the scales of fishes”, Proc. Acad. nat. Sci. Philad., 1891–1893.Google Scholar
Scupin, H., 1896. “Vergleichende Studien zur Histologie der Ganoidschuppen”, Arch. Naturgesch., 62, (1), 145186.Google Scholar
Sewertzoff, A. N., 1926. “The development of the scales of Acipenser ruthenus”, J. Morph., 42, No. 2, 523560.CrossRefGoogle Scholar
Sewertzoff, A. N., 1932. “Die Entwicklung der Knochenschuppen von Polypterus ”, Jena. Z. Naturw., 67, 387.Google Scholar
Stensiö, E. A., 1921. The Triassic Fishes from Spitzbergen, Pt. 1. Wien.CrossRefGoogle Scholar
Stensiö, E. A., 1932. “Triassic fishes from East Greenland”, Medd. om Grønland, 83, 305.Google Scholar
Traquair, R. H., 1877. “The ganoid fishes of the British Carboniferous formations”, Palœontogr. Soc. Monogr., 18771914. London.CrossRefGoogle Scholar
Traquair, R. H., 1881. “Report on fossil fishes. Pt. I. Ganoidea”, Trans. Roy. Soc. Edin., 30, 1571.CrossRefGoogle Scholar
Wade, R. T., 1935. The Triassic Fishes of Brookvale, N.S.W. Brit Mus. (N.H.), London.Google Scholar
Watson, D. M. S., 1925. “On the structure of certain Palæoniscids”, Proc. Zool. Soc. Lond., 1925, 2, 815870.CrossRefGoogle Scholar
Watson, D. M. S. 1928. “On some points in the structure of palæoniscid and allied fish”, Proc. Zool. Soc. Lond., 1928, 1, 4970.CrossRefGoogle Scholar
Westoll, T. S., 1937. “On a remarkable fish from the Lower Permian of Autun, France”, Ann. Mag. Nat. Hist. (10), 19, 553578.CrossRefGoogle Scholar
White, E. I., 1927. “The fish-fauna of the cement-stones of Foulden, Berwickshire”, Trans. Roy. Soc. Edin., 55, 225.CrossRefGoogle Scholar
Williamson, W.C. 1849. “On the microscopic structure of the scales and dermal teeth of some ganoid and placoid fish”, Phil. Trans., 139, II, 435475.Google Scholar
Woodward, A. S., 1889. “On the palæontology of sturgeons”, Proc. Geol. Assoc. Lond., 11, 2444.CrossRefGoogle Scholar