Monogenea. 
Gobio fluviatilis . 
Hexanchus griseus . 
Hippoglossus sp. 
Hippoglossus vulgaris . 
Hippoglossus gigas . 
Hippoglossus maximus 
Julis sp. 
Laprax lupus . 
Labrax mucronatus. 
Labrus donavini . 
Leuciscus erythrophthalmus 
Leueisceus rutilus 
- idus 
- prasinus . 
Lichia amia 
Lota molva 
Lucioperca sandra . 
Merlangus communis . 
Merlangus pollachius . 
Merlucius vulgaris . 
Molva vulgaris . 
Morrhua lusca 
Mugil auratus 
Mugil cephalus 
Mustelus laevis 
Mustelus vulgaris 
Myliobates aquila 
Orthagoriscus mola 
Pagellus centrodontus . 
- erythrinus 
- mormyrus. 
Pelamys sarda 
Perca fluviatilis . 
Phoxinus laevis . 
Phyeis blennoides 
Raja clavata 
- batis. 
-  Schulzii 
Rhodeus amarus 
Salmo fario 
Geographische Verbreitung. Bl 
Diplozoon paradoxum v. N. 
Onchocotyle appendiculata Kuhn. 
Tristomum uneinatum Mont, 
Epibdella hippoglossi 0. F. Müll., Udonella caligorum 
Johnst. 
Octobothrium palmatum Leuck. 
Epibdella hippoglossi O. F. Müll, Placunella rhombi 
v. Ben.-H. 
Diplectanum pedatum Wag. 
Udonella lupi v. Ben.-H., Microcotyle labraeis v. B.-H., 
Diplectanum aequans Wag. 
Plectanocotyle elliptica Dies, 
Microcotyle donavini v. B.-H. 
Diplozoon paradoxum v. N., Dactylogyrus fallax Wag., 
D. erucifer-Wag., D. difformis Wagen. 
Diplozoon paradoxum v. N., Dactylogyrus dujardinianus 
Dies., Dactyl. fallax Wag., D. trigonostoma Wag. 
Diplozoon paradoxum v. N., Dactylogyrus dujardinianus 
Dies., Dactyl. fallax Wag., D. trigonostoma Wag. 
Diplozoon paradoxum v. N., Dactylogyrus dujardinianus 
Dies., Dactyl. fallax Wag., D. trigonostoma Wag. 
Octobothrium arcuatum Sons., Vallisia striata Par. et Per. 
Pteronella molvae v. Ben -H. 
Tetraonchus unguiculatus Wag. 
Octobothrıum merlangi Kuhn. 
Udonella pollachii v. Ben.-H., Octobothrium pollachii 
v. Ben.-H. 
Udonella merlucii v, Ben.-H., Anthocotyle merlucü v. 
Ben-H. 
Octobothrium palmatum Leuck. 
Octobothrium luscae v. Ben.-H. 
Tetraonchus van Benedeniü Par. et Per. 
Microcotyle mugilis Vogt. 
Onchocotyle appendiculata 
v. Ben.-H. 
Onchoeotyle appendiculata Kuhn. 
Monocotyle myliobatis Tschbg. 
Tristomum molae Bl. 
Encotyllabe pagelli v. Ben.-H. 
Microcotyle erythrini v. B.-H. 
Microcotyle mormyri Lor. 
Tristomum pelamydis Tschbg. 
Dactylogyrus tenuis Wedl,, Tetraonchus unguiculatus 
Wagen. 
Diplozoon paradoxum v. N., Gyrodactylus elegans v.N. 
Dactylogyrus auriculatus v. N. 
Octobothrium phyeidis Par. et Per. 
Acanthocotyle Lobianchi Mont., A. elegans Mont., Cali- 
cotyle Kroyeri Dies., Onchocotyle emarginata Olss. 
Pseudocotyle fragile Olss,, Calicotyle Kroyeri Dies. 
Onchocotyle appendiculata Kuhn. 
Calicotyle Kroyeri Dies. 
Dactylogyrus megastoma Wagen. 
Octobothrium sagittatum Leuck. 
Kuhn, Erpocotyle laevis 
