20 



Dr. V. LlNSTOW. 



Co smo cephalus papillo sus Mol in in Larus canus. 

 Sclerostomum cyathostomum Dies, in Larus fuscus. 

 Tri cho soma contor tum Crepl. in Uria grylle, Larus canus, Aegia- 

 lites hiaticula. 



Tri cho soma brcvicolle JRud. in Harelda glacialis, Oidemia fusca, 

 Mergus serra/or. 



Tri cho soma curvica uda D uj. i n Hirundo rustica. 



Ancry acanthus long icornis Hempr. u. Ehrenb. in Tringa alpina. 



Eustr ongylus gigas Dies, in Phoca vitulina. 



B. Freilebende Nematoden. 



Aphelenchus nivalis Aurivillius. 

 D orylaimus Langii Cobb. 

 Tylenchus gracilis Cobb. 

 Spilophor a imp atiens Cobb. 



II. Acantliocepkalen. 



E chinorhynchus sirumosus Rud. in Trichechus rosmarus, Phoca 

 foctida, Phoca groenlandica, Halichocrus grypus, Phoca vitulina. 



Echinorhynchus turb in eil a Dies, in Hyperoodon rostratum, 

 Balaenoptera borealis, Balacnoptera muscuhcs. 



Echinorhynchus p orr i g ens Rud. in Balaena mysticetus , Balaen- 

 optera borealis. 



Echinorhynchus capitatus v. Linstow in Globio cephalus svineval. 

 Echinorhynchus br evi Collis Halm, in Balaenoptera borealis. 

 Echinorhynchus Hirundinum Rud. in Hirundo rustica. 

 Echinorhynchus long i Collis Villot in Strcpsilas interprcs. 

 Echinorhynchus in flatus Crepl. in Tringa alpina, Aegialites 

 hiaticula. 



Echinorhynchus l an ceolatus v. Linstow in Aegialites hiaticula. 



Echinorhynchus macr acanthus Bremser in Charadrius pluviedis. 



E chinorhynchus er assi Collis Villot in Calidris arenaria. 



Echinorhynchus striatus Goeze in Cygnus olor. 



Echinorhynchus polymorphus Bremser in Cygnus olor, Cygnus 

 musicus, Somateria mollissima, Harelda glacialis, Oidemia fusca, Anas pene- 

 lope, Mergus serrator, Anas acuta. 



Echinorhynchus hystrix Brems, in Mergus serrator, Podiceps 

 ruhricollis, Uria grylle, Carbo cristatus. 



Echinorhynchus c ampylurus Nitzsch in Lcstris catarrhactes. 



