3. J. Couch, “A History of the Fishes of the British Islands.” (Lond. 1862–5, 8vo.)
B. Denmark and Scandinavia.
1. H. Kröyer, “Danmark’s Fiske.” (Kjöbnh. 1838–53, 8vo.)
2. S. Nilsson, “Skandinavisk Fauna.” (Vol. IV. Fiskarna. Lund. 1855, 8vo.)
3. Fries och Ekström, “Skandinavians Fiskar.” (Stockh. 1836, 4to, with excellent plates.)
C. Russia.
1. Nordmann, “Ichthyologie Pontique,” in “Voyage dans la Russie méridionale de Demidoff.” (Tom. iii. Paris, 1840, 8vo, atlas fol.)
D. Germany.
1. Heckel and Kner, “Die Süsswasser-fische der Oesterreichischen Monarchie.” (Leipz. 1858, 8vo.)
2. C. T. E. Siebold, “Die Süsswasser-fische von Mitteleuropa.” (Leipz. 1863, 8vo.)