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Hemistomum spathaceum, Diesing. 

 Taenia larina, Krabbe. 

 Taenia micracantha, Krabbe. 

 Taenia porosa, Rud. 

 Ligula digramma, Creplin. 

 Bothriocephalus dendriticus, Dies. 

 Tetrabotliriam cylindraeeum, Rud. 

 Sterna hirundo, L., gemeine Seeschwalbe. 

 Docophorus lobaticeps. 

 Doeophorus bassanae, Denny. 

 Nirmus selliger, Nitzsch. 

 Lipeurus gyricornis, Denny. 



Ascaris sternae birundinis, Bellingham. 

 Spiroptera acantbocephaliea, Molin. 

 Spiroptera capillaris, Molin. 

 Distoiiium denticvdatum, Rud. 

 Holostomum pileaUim, Duj. 

 Taenia sternae hirundinis, M. V. Ru- 

 dolphi. 



Ligula monogramma, Creplin, 

 Scbistocephalus dimorphus, Creplin. 

 Botbriocephalus f'issiceps, Diesing. 

 Sterna minuta, L., kleine Seeschwalbe. 

 Nirmus nyctbemerus, Nitzsch. 

 Colpocephalum ocbraceum. 



Ee.binorhyncbus striatus, Goeze. 

 Distomum cochlear, Rud. 

 Scbistocephalus dimorphus, Creplin. 

 Podlceps cristatus, L., grosser Steissfuss. 



Lipeui'us runcinatus, Nitzsch. 

 Colpocephalum dolium, Rud, 

 Menopon tridens. Nitzsch. 



Ascaris spiculigera, Rud. 

 Filaria acuta, Dies. 

 Hystrichis tubifex, Dies. 

 Distomum concavum, Creplin, 

 Distomum echinatum. Zed. 

 Distomum spinulosum, Rud. 

 Holostomum platycephalum, Duj. 

 Taenia capillaris, Rud. 

 Taenia furcifera, Krabbe. 

 Ligula monogramma, Creplin. 

 Scbistocephalus dimorphus. Creplin. 

 Tetrabothrium macrocephalum, Rud. 

 Podiceps minor, Lath., kleiner Steissfuss. 

 Lipeurus runcinatus, Nitzsch. 

 Trinotum spec. ? 



Ascaris spiculigera, Rud. 

 Hystrichis tubifex, Dies. 

 Trichosoma pachyderma, v. Linstow. 

 Echinorhynchus polymorphus, Bremser. 

 Distomum echinatum, Zed. 

 Distomum xanthosomum, Creplin. 

 Taenia multistriata, Rud. 

 Taenia furcifera, Krabbe. 

 Taenia acantorhyncha, Wedl. 

 Taenia macrorhyncha, Rud. 

 Bothriocephalus podicipedis, Bellingham. 

 Colymbus glacialis, L., grosser Polartaucher. 



Docophorus columbinus, Denny. 

 Nirmus frontatus. Denny. 



Holostomum gracile, Duj. 

 Taenia capitellata, Rud. 

 Scbistocephalus dimorphus, Creplin. 

 Tetrabothrium macrocephalum, Rud. 

 Colymbus arcticus, L., mittlerer Polartaucher. 

 Docophorus columbinus, Denny. 

 Nirmus frontatus, Denny. 



Ascaris spiculigera, Rud. 

 Spiroptera crassicauda, Molin. 

 Hystrichis tubifex. Dies. 

 Filaria tridentata, v. Linstow. 

 Holostomum erraticum, Duj, 

 Taenia capitellata, Rud. 

 Taenia capillaris, Rud. 

 Ligula monogramma, Creplin. 

 Ligula digramma, Crepün. 

 Scbistocephalus dimorphus, Creplin. 

 Tetrabothrium macrocephalum, Rud. 

 Colymbus septemtrionalis, L., kleiner Polartaucher. 

 Docophorus columbinus, Denny. 

 Nirmus frontatus, Denny. 



Ascaris spiculigera, Rud. 

 Spiroptera crassicauda, Molin. 

 Spiroptera aduuca, Creplin. 

 Hystrichus tubifex. Dies. 

 Distomum spinulosum, Rud. 

 Holostomum erraticum, Duj. 

 Taenia capitellata, Rud. 

 Ligula digramma, Creplin. 

 Ligula monogramma, Creplin. 

 Scbistocephalus dimorphus, Creplin. 

 Bothriocephalus ditremus, Dies. 

 Tethrabothrium macrocephalum, Rud. 

 Cephalocotyleum colymbi septemtrionalis, Rud. 

 Uria grylle, L., Gryll-Lumme. 

 Docophorus megacephalum. 



Trichosoma contortum, Creplin. 

 Distomum ovatum, Rud. 

 Distomum spinulosum, Rud. 

 Taenia campylacantha, Krabbe. 

 Scbistocephalus dimorphus, Creplin. 

 AIca torda, L., Tord-Alk. 

 Docophorus celedoxus. 

 Nirmus citrinus. 

 Menopon obtusum. 

 Menopon lutescens. 

 Menopon nigropleurum. 



Ascaris spiculigera, Rud. 

 Filaria obvelata, Creplin. 

 Hystrichis tubifex. Dies. 

 Distomum concavum, Crephn. 

 Distomum globulus, Rud. 

 Holostomum erraticum, Duj. 

 Holostomum variegatum, Duj. 

 Fratercula ar&tica, L, Papageitaucher. 

 Docophoru« celedoxus. 



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