Description: English: Originally scanned by The University of Washington Libraries (http://content.lib.washington.edu/cdm4/item_viewer.php?CISOROOT=/fishimages&CISOPTR=47999&CISOBOX=1&REC=2) Background cleared up. Date: 1886. Source: Seeley, H. G. Fresh-Water Fishes of Europe : a History of their Genera, Species, Structure, Habits, and Distribution London, England : Cassell & Company, Limited, 1886 Fig 31. Author: Seeley, H. G.