
References.
Bhatia, D., 1932. Factors Involved in the Production of Annual Zones on the Scales of Rainbow Trout (Salmo irideus). Journ. Exper. Biology, Vol. 9, No. 1, January, 1932.
Creaser, Charles W., 1926. The Structure and Growth of the Scales of Fishes in Relation to the Interpretation of their Life History, with Special Reference to the Sunfish, Eupomotis gibbosus. Museum of Zoology, University of Michigan. Miscellaneous Publications No. 17, Dec. 15, 1926, pp. 1–82, 1 pl., 12 figs., Ann Arbor, Michigan.
Esdaile, Phillipa C., 1912. Intensive Study of the Scales of Three Specimens of Salmo salar. Memoirs and Proceedings, Manchester Literary and Philosophical Society, 1911–1912, Vol. 56, pt. 1. Memoir III, 22 pp., 1 pl., 5 diagrs., 4 graphs, Manchester.
Gray, J., and Setna, S. B., 1931. The Effect of Food Supply on the Scales of Salmo irideus. Journ. Exp. Biology, Vol. 8, pt. IV, No. 1, Jan., 1931, pp. 55–63.

Hoffbauer, C., 1898. Die Altersbestimmung des Karpfens an seiner Schuppe. Allgemeine Fischerei-Zeitung, Jahrgang, XXIII, Nr. 19, Oct. 1, 1898, Art. 111, pp. 341–343, 2 figs. München.
— 1900. Idem. Ibid., Jahrgang XXV, Nr. 8, April 15, 1900, Art. V, pp. 135–139; Nr. 9, May 1, 1900, pp. 150–156. München.
— 1901. Weitere Beiträge zur Bestimmung des Alters- und Wachstumsverlaufes an der Struktur der Fischschuppe. Jahresbericht der teichwirth-schaftliche Versuch-Stations zu Trachtenberg, 1901, pp. 50, 3 pls. Breslau.
— 1904. Zur Alters- und Wachstumsei kennung der Fische nach der Schuppe. Allgemeine Fischerei-Zeitung, Jahrgang 29, 1904, pp. 242–244. München.
— 1905. Weitere Beiträge zur Alters- und Wachstumsbestimmung der Fische, spez. des Karpfens. Zeitschrift für Fischerei, 12. Band (1905), pp. 111–142, 5 figs. Berlin.
— 1906. Untersuchungsergebnisse über Alters- und Wachstumserkennung nach der Schuppe. Stenographisches Protokoll über Verhandlungen des Internationalen Fischerei-Kongresses, Wien, 1905 (1906), pp. 131–134. Wien.
Hutton, J. Arthur, 1910. Salmon Scale Examination and its Practical Utility, with Notes on the Wye Salmon Fisheries and the Photography of Scales, pp. 56, XXXIX pls., 1910, London.
Lee, Rosa M. (Mrs T. L. Williams), 1912. An Investigation into the Methods of Growth Determination in Fishes. Publications de Circonstance No. 63, November, 1912, Conseil Permanent International pour 1′ Exploration de la Mer., 35 pp. Copenhague.
— 1920. A Review of the Methods of Age and Growth Determination in Fishes by Means of Scales. Ministry of Agriculture and Fisheries, Fishery Investigations. Series II, Vol. IV, No. 2 (1920), pp. 1–32. 8 diagrs., 1 pl. London.
Paget, Geoffrey W., 1920. Report on the Scales of Some Teleostean Fish, with Special Reference to their Method of Growth. Ministry of Agriculture and Fisheries, Fishery Investigations. Series II, Vol. IV, No. 2 (1920), No. 3, pp. 1–24, 4 pls., 3 text figs. London.
Percival, E., and Whitehead, H., 1930. Biological Survey of the River Wharfe, II Report on the Invertebrate Fauna. Journ. Ecology, Vol. 18, No. 2, August, 1930. Cambridge.
— 1932. On the Depreciation of Trout-fishing in the Oreti (or New River), Southland. Fisheries Bulletin No. 5., N.Z. Marine Dept.
Thomson, J. Stuart, 1902. The Periodic Growth of Scales in Gadidae and Pleuronectidae as an Index of Age. Journ. Marine Biological Ass. of the United Kingdom. New series, Vol. 6, 1902, No. 3, pp. 373–375, 1 pl, Plymouth.
— 1904. The Periodic Growth of Scales in Gadidae as an Index of Age. Ibid., Vol. 7, 1904, No. 1, pp. 1–109, 8 pls. Plymouth.
Van Ooston, John, 1923. The Whitefishes (Coregonus clupeaformis). A Study of the Scales of the Whitefishes of Known Ages. Zoologica, Vol. II, No. 17 (June 19, 1923), pp. 380–412, figs. 137–144, Tables I-VII. New York.
— 1929. Life History of the Lake Herring (Leucichthys artedi Le Sueur) of Lake Huron as Revealed by Method. United States Dept. of Commerce. Bureau of Fisheries Doc. No. 1053.

